AHD TVI CVI Coaxial HD Surveillance Dome Camera analog Camera null Comfort temperature:

Comfort temperature:

But even dogs can′t hear all frequencies (your whistle has a nut and screw that adjust the frequency when turned)

Applicable gender: male

Table knife*1

AHD TVI CVI Coaxial HD Surveillance Dome Camera analog Camera null Comfort temperature:Specification: Pixel: 2 million (dpi) Type: Infrared light camera Image sensor: CMOS Horizontal resolution: 600 (TVL) Minimum illumination: 0. 1 (Lux) Resolution: 1080P Lens: 3. 6 (mm) S N ratio>: 48 (db) Size: 1 3 (inch) Power supply voltage: 12 (V) Material: Plastic Effective distance: 15m Surveillance camera lens: 3. 6mm Lens focal length: 3. 6 Irradiation distance of infrared light: 15m Specifications: 1080P black PAL system, 1080P white PAL system