General description Experience enhanced security with our Video Doorbell featuring a 4.3-inch IPS screen. This innovative doorbell operates without Wi-Fi, ensuring your information remains secure and protecting you from potential hacking. With hassle-free wireless installation, you can easily pair the doorbell with the indoor unit with just one click, making setup quick and effortless. Technical specifications Material: ABS Main control: Jianrong module + 2.4G Image sensor: GC0328 infrared light replenishment, 85 degrees, 6 Display screen: 4.3 inch IPS screen Video resolution: 640*480 Battery model: 800mA, continuous performance for 1-3 months SD card support: up to 128G/MJPEG format (not included) Audio: Built-in speakers and microphone Wi-Fi mode: 2.4G private protocol, transmission distance 1-150 meters (link between host and display screen) Power supply: DC5V/2A Working temperature: -10°C to 60°C Working humidity: 10% to 90% Other information