outdoor station Digital keypad
Product Description
Features:
- Digital keypad 、LCD Screen
- Big LCD
- Access control for option
- Waterproof
- Surface mounted
- Aluminum alloy panel
- 2 Km control distance
- Audio Transmission is Single wire, full-duplex speech circuit Net direct call, 9999 users
Technical parameters:
- Camera: 1/3-inch CCD/CMOS
- Lens: F = 2 (9 manual zoom, 90 degrees of viewing angle)
- Resolution: 420TV lines
- Video output: 75Ω 1Vp-p
- Minimum illumination: 1.0 lux
- Ambient temperature: -10℃~50℃
- Power: 18V (supplied by the indoor phone)
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