Bộ chuông cửa màn hình Analog ZKTeco VDPO3-B3 Kit – Function introduction: Visual, intercom, unlock, color night vision, rainproof, explosion-proof. – Camera: 700 line CMOS color camera with super backlight compensation. – Power consumption: Standby 0W, work ≤ 2W. – Power supply mode: Indoor extension power supply mode. – Wiring method: RVV4 core wire connection. – Night vision: 4 LED night vision white lights. – Night Vision distance: 0.2-1.2 meters. […]