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THC-T257-LMS

The HiLook THC-T257-LMS is a 3K dual-light audio fixed turret camera. Manufacturer references describe 2960 × 1665 imaging, two fixed-focal lens choices, IR illumination up to 40 m, white-light illumination up to 20 m and a built-in microphone with audio over coaxial cable. Confirm the supplied lens, recorder and actual settings, then choose quantity for an ISD supply-only enquiry.

HiLook · Full reference: THC-T257-LMS

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HiLook THC-T257-LMS product image — Image: HiLook official product image

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Image, analogue video and audio

Device class: 3K Dual Light Audio Fixed Turret Camera
Image sensor: 3K CMOS as listed.
Resolution reference: 2960 × 1665 pixels, horizontal × vertical; match the selected output to the recorder.
Signal system: PAL / NTSC as listed; confirm the selected system.
TVI frame-rate modes: TVI only: 3K at 20 fps; 4 MP at 25 or 30 fps; 1080p at 25 or 30 fps. Confirm recorder support.
AHD frame-rate modes: AHD only: 5 MP at 20 fps; 4 MP at 25 or 30 fps as listed. This does not change the camera native 3K identity.
CVI frame-rate modes: CVI only: 4 MP at 25 or 30 fps as listed. No 3K or 5 MP CVI mode is established here.
CVBS frame-rate modes: CVBS only: PAL / NTSC as listed; not an HD CVBS claim.
Minimum illumination: 0.01 lux at F2.0 with AGC on; 0 lux only with IR illumination.
Shutter time: PAL: 1/25 to 1/50,000 s; NTSC: 1/30 to 1/50,000 s.
Day/night filter: ICR as listed; confirm actual scene settings.
Dynamic range: Digital WDR as listed; not a measured 120 dB true-WDR claim.
Image settings: Brightness, sharpness and Smart IR as listed; confirm scene settings.
Image enhancement: DWDR / BLC / HLC / Global as listed.
White balance: Auto / Manual as listed.
Gain control: AGC is listed; confirm scene settings.
Menu language: English as listed; confirm supplied revision.
Video output: One switchable TVI / AHD / CVI / CVBS analogue port; not four simultaneous outputs or an IP stream.
Built-in microphone: Built-in microphone as listed; this does not establish a speaker or two-way speech.
Audio over coax: Audio over coaxial cable as listed; a compatible recorder and supported signal mode are required.
Coaxial control reference: HIKVISION-C as listed; confirm recorder and control compatibility.
Microphone count: 1 microphone in the 2025-07-04 source reference only; confirm the supplied revision.
Microphone-pickup radius: Up to 5 m radius in the 2025-07-04 source reference only; confirm the supplied revision. Ambient noise and placement affect usable audio.
Dimensions (Ø × H): Ø 127.9 × 97.8 mm

Lens and illumination

Fixed lens choices: 2.8 mm or 3.6 mm fixed-focal configurations, not a zoom range. Confirm the supplied lens.
Field of view at 2.8 mm: For the 2.8 mm lens only: horizontal 104.9°, vertical 67.3°, diagonal 129.8°.
Field of view at 3.6 mm: For the 3.6 mm lens only: horizontal 81.3°, vertical 50.7°, diagonal 102.4°.
Lens mount: M12 as listed; confirm the supplied lens.
IR distance: Up to 40 m as listed; scene and mounting affect usable images.
White-light distance: Up to 20 m as listed; scene and mounting affect usable images.

Power and physical references

Angle adjustment: Pan 0–360°, tilt 0–75°, rotation 0–360°; physical adjustment, not motorised PTZ.
Power input: 12 V DC ±25%; one suitable adapter per camera is recommended, not assumed included.
Maximum consumption: 3.3 W maximum camera consumption as listed.
Body material: Body: metal; enclosure: metal.
Operating conditions: -40 to 60 °C (-40 to 140 °F); humidity 90% or less, non-condensing.
Ingress protection: IP66 as listed; confirm mounting and intended environment.
Body dimensions reference: Ø127.9 × 97.8 mm (Ø5.04 × 3.85 in) as listed; confirm supplied-unit clearance. Not a mounting-hole specification.
Mounting pattern reference: Mounting circle Ø112.4 mm (4.43 in); 3 × Ø4.8 mm (0.19 in) holes at 3 × 120° as shown. Confirm supplied-unit fit; not the body diameter.

Selection notes

This reference describes THC-T257-LMS only. Confirm the supplied lens, revision, analogue recorder and intended environment with ISD.
The 2.8 mm and 3.6 mm lenses are separate fixed-focal configurations, not a motorised zoom range or two lenses included together.
Match the selected analogue format, resolution, frame rate and audio path to the actual recorder. One switched port is not four simultaneous outputs or an IP stream.
IR and white-light distances depend on the scene and mounting; they are not guaranteed identification distances.
Confirm actual day/night and hybrid-light settings with the supplied camera and recorder. Lighting names do not prove AI detection, tracking or PIR sensing.
Use one suitable power adapter per camera as recommended; adapters and pictured accessories are not assumed included.
Confirm mounting clearance and the exact compatible accessory set before ordering.
ISD confirms stock, price, ETA, supplied revision, compatibility, package, local warranty and commercial terms separately.
2025-07-04 source reference only; confirm the supplied revision.

Official documents

Manufacturer source checked 2026-10-18. The supplied unit and local terms require confirmation.