Dahua DHI-ITC237-PW6M-IRLZF1050 AI access ANPR 2 Megapixel Full HD WDR ANPR Camera, IR, max 40km/hr, 10-50mm motorized lens,

Model: DHI-ITC237-PW6M-IRLZF1050-B

Who This Is For

For integrators and security managers who need accurate, automated number plate capture at controlled entry and exit points - carparks, gated estates, logistics yards, industrial sites, and boom gate installations. The Dahua DHI-ITC237-PW6M-IRLZF1050 is built specifically for this task. Its 10-50mm motorised varifocal lens lets the installer dial in the exact capture zone from the mounting position, and the 6-element IR illuminator maintains plate legibility up to 25 metres at night without relying on external lighting. The camera handles vehicles travelling up to 40km/h and achieves a vehicle capture rate of 99% or better, making it well suited to slow-approach access scenarios - entry lanes, boom gate queues, and carpark choke points where vehicles are moving at low to moderate speed. With IP67 ingress protection, a -30 to +65 degree operating range, and built-in relay outputs for direct barrier integration, this is a purpose-built fixed-approach ANPR camera designed for real-world outdoor installation.

What This Camera Actually Does

Who Buys This Model

• Carpark operators and managers: Installing at entry and exit boom gate lanes to automate vehicle logging, enforce access lists, and generate timestamped plate records for tenants or customers.
• Industrial and logistics site managers: Controlling vehicle access at weighbridge entries, loading dock gates, and yard perimeters where knowing which vehicles enter and exit is an operational and compliance requirement.
• Gated residential estates and strata communities: Replacing manual boom gate operations with plate-triggered automated access, particularly where a manned gatehouse is not practical around the clock.
• Security integrators building access control systems: Specifying the DHI-ITC237-PW6M-IRLZF1050 as the ANPR capture device paired with a VMS or access platform, using the RS-485 and relay outputs to tie into existing barrier and intercom infrastructure.
• Government and council facilities: Monitoring vehicle movements at depot entries, maintenance yards, and restricted-access areas where an audit trail of vehicle type, colour, and plate is required for compliance or incident investigation.

Honest Assessment

The DHI-ITC237-PW6M-IRLZF1050 does its core job well: on-board plate recognition at up to 40km/h, a 5:1 motorised varifocal lens that gives installers real flexibility at commissioning, solid 96dB WDR for difficult lighting, and direct relay outputs that simplify barrier wiring. The 1/1.8" GS-CMOS sensor is better suited to this application than a standard CMOS - its high-speed global shutter avoids the motion blur that would otherwise affect fast-moving plates. Edge storage with ANR is a practical feature for sites with unreliable network connections. What this camera will not do is handle free-flow traffic at highway or road speeds - the 40km/h limit is a hard constraint, and sites requiring plate reads on vehicles travelling faster need a different product type. It is also a single-lane fixed-approach camera, not a wide-angle or multi-lane solution. Available through Security Australia, this model suits controlled access scenarios where vehicles slow to approach a gate or barrier.

Before You Buy

Quick Fit Check

• Good match if: You are installing at a boom gate, carpark entry, or gated access point where vehicles slow to 40km/h or less - the on-board ANPR engine achieves a vehicle capture rate of 99% or better at these speeds, and the relay outputs connect directly to the barrier.
• Good match if: The mounting position is variable or uncertain at design stage - the 10-50mm motorised varifocal lens gives a 5:1 zoom range to precisely frame a single lane from wherever the pole or bracket ends up, and focus can be adjusted remotely post-installation.
• You may need a different model if: The site requires plate reads on vehicles travelling at road or highway speeds above 40km/h - a free-flow ANPR camera designed for higher-speed approaches would be a more appropriate product type for that application.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: Your site has a defined single-lane choke point where vehicles slow to 40km/h or below - the on-board ANPR engine, direct relay outputs for barrier control, and motorised 10-50mm lens make this a self-contained access ANPR solution without needing a separate processing server.
• You may need a different model if: Vehicles are not slowing to approach a gate and are travelling at road speed - a free-flow ANPR camera rated for higher approach speeds would be the appropriate product type for open-road or drive-through lane monitoring.
• Pairs well with: A PoE+ switch or managed PoE injector to handle the up to 20W draw cleanly, a barrier or boom gate with relay input compatibility, and a VMS platform that supports Dahua ANPR metadata output for centralised plate log management.

Common Questions

1. Will this camera work for a boom gate installation where I need to trigger the barrier automatically from the plate read?

   Yes. The DHI-ITC237-PW6M-IRLZF1050 includes 2-channel relay outputs designed specifically to connect to barriers and boom gates. When a plate is recognised and matched against an access list, the relay can be triggered directly without an external controller. The camera also accepts optocoupler I/O inputs from vehicle loop detectors, which can be used as secondary triggers alongside the video detection mode.

2. What is the maximum vehicle speed this ANPR camera can reliably read plates at?

   40km/h is the rated maximum approach speed. The 1/1.8" GS-CMOS sensor uses a global shutter, which captures the entire frame at once rather than rolling line by line - this is what allows it to freeze a moving plate without motion blur. Beyond 40km/h the exposure timing and frame rate combination is no longer guaranteed to produce a sharp plate image, and recognition accuracy will decline. This camera is designed for controlled access approaches, not open-road free-flow lanes.

3. Does this camera need a separate ANPR server or software to read plates?

   No. All plate recognition processing happens on-board via the camera's built-in high-performance CPU. Vehicle capture, plate reading, vehicle type and colour classification, and metadata generation are all done inside the camera itself. The processed data - plate number, vehicle type, colour, and speed - can be overlaid on the image as OSD text and sent to a VMS or FTP platform via the network port without needing a dedicated server in the loop.

4. Will this camera work at night without external lighting?

   Yes. The 6 built-in IR illuminators provide active illumination to 25 metres. Brightness is adjustable, so the IR output can be dialled to match the approach distance and avoid overexposing close-range plates. For sites with some ambient lighting, the 96dB WDR sensor handles mixed lighting conditions including headlight glare, which is the most common cause of plate wash-out at night on standard cameras.

5. What does the motorised 10-50mm lens actually change in practice compared to a fixed lens ANPR camera?

   It allows the installer to set the exact capture zone from the mounting position without physically moving the camera or swapping lens modules. At 10mm the field of view is wide enough to cover a full lane at close range; at 50mm it is narrow enough to fill the frame with a single lane at an extended distance. This matters because the plate needs to occupy a consistent proportion of the frame for the recognition engine to perform at its rated accuracy. A fixed lens locks you into a specific mounting distance. The motorised lens gives flexibility when the mounting point is dictated by pole locations or structural constraints.

6. Can this camera handle vehicles that do not have number plates?

   Yes. The intelligence engine specifically flags vehicles without plates as a separate detection event. This is confirmed in the vehicle recognition specification, which lists "vehicle without plate" as one of the recognised categories alongside vehicle type, logo, colour, and plate number. A vehicle-without-plate event can trigger an alarm output or alert via the platform, allowing operators to respond to the anomaly rather than discovering it later in the footage review.

7. What happens to ANPR data if the network connection drops?

   The camera continues recording locally to the TF card slot, which supports up to a 64GB card from Kingston, SanDisk, or Dahua. Automatic Network Replenishment (ANR) then uploads the locally cached footage and metadata to the platform or FTP server once the connection is restored. This prevents gaps in the plate log caused by temporary outages - a practical consideration for remote gate installations where network reliability is not guaranteed. The alarm event list also includes network disconnection as a monitored condition. For more information on compatible storage cards and platform integration, contact Security Australia.

8. Is PoE sufficient to power this camera, or does it need a dedicated power supply?

   PoE alone may not be sufficient. The camera draws up to 20W, and standard IEEE 802.3af PoE is rated to 15.4W at the powered device. IEEE 802.3at PoE+ (30W) covers the full power budget comfortably and is the recommended approach if running on PoE. Alternatively, a dedicated 12V DC power supply bypasses the PoE budget constraint entirely. Using a standard 802.3af switch without a higher-rated injector risks voltage droop when the IR illuminators are active at maximum brightness, which can cause instability or reboot cycles.

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