Hikvision DS-PSG-WO-433 Wireless External Siren
When a cable-free outdoor alarm sounder is the requirement, the DS-PSG-WO-433 delivers a loud, weatherproof deterrent for Hikvision wireless alarm systems. Operating on 433 MHz two-way wireless with AES-128 encryption, it produces a 110 dB siren across 3 selectable alarm tones and runs on 4 x included CR123A batteries for up to 5 years of standby life. It also accepts 12VDC wired power if preferred.
Why This Model
- 5-year battery life: Running on 4 x CR123A lithium batteries in standby, this siren can be mounted anywhere outdoors without needing a power cable run to the location.
- AES-128 encrypted two-way wireless: Two-way communication at 433 MHz with AES-128 encryption means the panel can confirm the siren has received its trigger command, reducing false negatives in critical alarm events.
- Front and rear tamper protection: Both panels are tamper-monitored, so any attempt to remove or open the unit triggers an immediate alert back to the control panel.
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DS-PSG-WO-433 DatasheetNeed help choosing?
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Product Overview
Model: DS-PSG-WO-433
Who This Is For
When adding visible, audible deterrence to a Hikvision wireless alarm system is the priority, the DS-PSG-WO-433 is the purpose-built outdoor siren for that job. Installers specifying Hikvision AX series wireless panels for residential and light commercial sites use this siren to complete the external alarm output - mounted to a front or side wall where it is visible from the street and loud enough to be heard well beyond the property boundary. The unit pairs over 433 MHz two-way wireless, so there is no siren cable run to plan, which makes it particularly useful on retrofits or heritage buildings where cable routing is difficult. Battery-powered operation as standard means installation is straightforward, with optional 12 VDC wiring available where a permanent power feed is accessible. IP65 weather protection suits Australian outdoor conditions year-round.
What This Device Actually Does
110 dB Outdoor Alarm Output
At 110 dB, the siren is loud enough to be heard clearly across neighbouring properties and from the street. This is the core deterrent function - when the panel triggers the siren, the sound level is significant enough to discourage continued intrusion and alert nearby residents.
Two-Way 433 MHz Wireless with AES-128 Encryption
Communication with the control panel is bidirectional - the siren does not just receive commands, it reports its own status back to the panel. AES-128 encryption protects the link against jamming-based or spoofing attacks, which is a meaningful difference from basic one-way wireless sirens.
3 Distinct Alarm Tones
The siren produces separate tones for intrusion, fire, and panic events. When triggered, bystanders and monitoring operators can distinguish the alarm type from the sound pattern alone, which assists with appropriate emergency response rather than a single undifferentiated alert.
Dual Power Options with 5-Year Battery Life
4 x CR123A lithium batteries are included and rated for approximately 5 years in standby. A 12 VDC input is available as an alternative or supplementary power source. This flexibility lets installers choose the option that suits the site without compromising the wireless installation approach.
Front and Rear Tamper Protection
Both the front cover and rear wall plate include tamper detection. If someone attempts to remove the unit from the wall or open the housing, the panel receives an immediate tamper alert. This prevents the siren from being neutralised before triggering.
IP65 Weather Resistance
IP65 protection means the enclosure is fully dust-tight and rated against water jets from any direction. Mounted to an exterior wall, the unit handles Australian weather including coastal humidity, heavy rain, and temperature swings from -25 °C to +60 °C without requiring a sheltered position.
Who Buys This Model
- Security Installers on Hikvision Wireless Panel Jobs: Completing an AX series wireless alarm system with an external sounder that pairs natively without a separate wireless translator or wired siren output.
- Retrofit Alarm Upgrades on Existing Homes: Properties where running new siren cable to an external location is not feasible - the wireless pairing at up to 800 m open-area range gives placement flexibility without cable routing.
- Commercial Tenancies and Small Business Sites: Light commercial premises needing a visible external sounder that distinguishes between intrusion, fire, and panic events through the 3 separate alarm tones.
- Remote or Unattended Properties: Sites where battery-powered operation is preferred because a reliable 240 V supply at the siren mounting point is not guaranteed - the 5-year standby battery life reduces maintenance visits.
Honest Assessment
The DS-PSG-WO-433 does the specific job it is designed for very well - it is a robust, IP65-rated outdoor siren that integrates cleanly with Hikvision wireless alarm panels, communicates bidirectionally over an encrypted 433 MHz link, and backs up a long standby battery life with optional hardwired 12 VDC power. The tamper detection on both panels is a practical feature that gets overlooked on cheaper external sirens. At 110 dB with 3 distinct alarm tones, the audible output is appropriate for residential and light commercial use. What this unit will not do is work as a standalone siren or pair with third-party alarm panels - it is designed specifically for compatible Hikvision wireless systems. If your site requires a wired siren output, a higher-decibel industrial sounder, or integration with a non-Hikvision control panel, a different product type would serve the installation better. The DS-PSG-WO-433 is available through Security Australia for installers already working within the Hikvision wireless ecosystem.
Before You Buy
Compatibility Note: The DS-PSG-WO-433 uses 433 MHz two-way wireless and is designed to pair with Hikvision AX series wireless alarm panels that support this frequency band. Confirm your control panel model supports 433 MHz wireless peripherals before purchasing - Hikvision also produces 868 MHz panel variants that will not pair with this siren. The pairing process uses a single learn button on the unit.
Mounting Position: The 800 m open-area wireless range will be reduced by masonry walls, roofing, and structural steel - in typical residential construction, expect effective range to be 100-200 m through walls depending on building materials. Mount the siren on a wall that minimises obstructions between it and the panel, and verify signal strength during commissioning before finalising the installation position.
Quick Fit Check
- Good match if: You are completing a Hikvision wireless alarm system and need an external siren that pairs natively over 433 MHz with AES-128 encrypted two-way communication.
- Good match if: The installation site makes cable routing to an external siren difficult and battery-powered wireless operation with a 5-year standby life is the practical solution.
- You may need a different model if: Your alarm panel is not a compatible Hikvision 433 MHz wireless system - a wired siren or a sounder matched to your specific panel brand would be a more suitable product type.
Key Features & Technical Specifications
Real-World Scenarios
How It Compares
- Choose this if: You are building or extending a Hikvision 433 MHz wireless alarm system and need an IP65-rated external siren with two-way encrypted communication and dual tamper detection - all without running a siren cable.
- You may need a different model if: Your control panel is not a compatible Hikvision wireless panel - a wired external sounder or a siren module matched to your specific panel ecosystem would be the more appropriate product type.
- Pairs well with: Hikvision AX series wireless alarm control panels and compatible 433 MHz wireless detectors, keypads, and accessories.
Common Questions
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Will this siren work with any alarm panel, or only Hikvision panels?
Only compatible Hikvision wireless panels. The DS-PSG-WO-433 communicates over a proprietary 433 MHz two-way wireless protocol with AES-128 encryption. It is designed to pair with Hikvision AX series wireless control panels that support 433 MHz peripherals. It will not pair with panels from other manufacturers or with Hikvision panels that use a different frequency band. -
Does this siren need to be wired to a power supply?
No. The DS-PSG-WO-433 runs on 4 x CR123A lithium batteries as standard, with a rated standby life of approximately 5 years. A 12 VDC wired input is also available if a permanent power connection is accessible at the mounting location, but cabling is not required for normal operation. -
How loud is the siren and can the volume be adjusted?
The siren outputs 110 dB. Volume is adjustable to 3 settings - low, medium, and high - so the level can be set appropriately for the site. At maximum, 110 dB is comparable to a petrol lawnmower at close range and clearly audible across neighbouring properties. -
What happens if someone tries to remove the siren from the wall?
The panel receives a tamper alert immediately. The DS-PSG-WO-433 has tamper detection on both the front cover and the rear wall plate. Attempting to open the housing or pull the unit from its mounting bracket triggers a tamper signal back to the control panel over the two-way wireless link before the siren can be physically disabled. -
Is the DS-PSG-WO-433 suitable for outdoor installation in Australian conditions?
Yes. The unit carries an IP65 weather protection rating, meaning it is fully dust-tight and protected against water jets from any direction. It operates across a temperature range of -25 °C to +60 °C, which covers the full range of Australian conditions including hot summers and cold highland winters. The PC+ABS housing is UV-resistant for prolonged outdoor exposure. Security Australia stocks this unit for Australian installations. -
What is the wireless range and will it reach a siren mounted away from the main building?
The rated range is 800 m in open area. Real-world range through walls and building materials will be significantly lower - typically 100-200 m through standard residential construction depending on wall composition and the number of obstructions. Signal strength should be verified during commissioning before finalising the mounting position for a siren located in an outbuilding or at a distance from the control panel. -
Does the siren produce different sounds for different alarm types?
Yes. The DS-PSG-WO-433 produces 3 distinct alarm tones - one for intrusion, one for fire, and one for panic. The control panel sends the appropriate tone trigger based on the event type, so the sound pattern heard externally corresponds to the specific alarm condition that activated the system.
Downloads & Resources
What This Product Does
When a cable-free outdoor alarm sounder is the requirement, the DS-PSG-WO-433 delivers a loud, weatherproof deterrent for Hikvision wireless alarm systems. Operating on 433 MHz two-way wireless with AES-128 encryption, it produces a 110 dB siren across 3 selectable alarm tones and runs on 4 x included CR123A batteries for up to 5 years of standby life. It also accepts 12VDC wired power if preferred.
Why This Model
- 5-year battery life: Running on 4 x CR123A lithium batteries in standby, this siren can be mounted anywhere outdoors without needing a power cable run to the location.
- AES-128 encrypted two-way wireless: Two-way communication at 433 MHz with AES-128 encryption means the panel can confirm the siren has received its trigger command, reducing false negatives in critical alarm events.
- Front and rear tamper protection: Both panels are tamper-monitored, so any attempt to remove or open the unit triggers an immediate alert back to the control panel.
Downloads & Resources
DS-PSG-WO-433 DatasheetNot sure if this suits your site?
Ask our team before ordering. We can help confirm lens choice, recorder compatibility, mounting accessories and project quantities.
Downloads
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Shipping & Warranty
3 Years Manufacturer Warranty
All IP cameras and recording devices (NVR’s/DVR’s) are covered by a 3 year back-to-base manufacturer warranty.
Our warranty is limited to the replacement of faulty items or parts and does not include damage due to incorrect fitting of parts or accessories, or damage due to mishandling the equipment once out of the box. All faults are sent to the manufacturer for inspection and diagnosis before a replacement is sent out.
Read more about the Terms & Conditions here – https://www.securityaustralia.com.au/terms-and-conditions/
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Hikvision DS-PSG-WO-433 Wireless External Siren