General description No wires or cables are needed for this Wireless WiFi Video Doorbell Camera. Simply download the app, connect it to your doorbell, and you can see, hear, and talk to your visitors from anywhere with instant mobile alerts. The camera features infrared night vision, allowing you to capture photos and videos at any time, day or night. Technical specifications Camera angle: 166° wide angle Video resolution: 720 HD mode Power source: Three 18650 lithium batteries Battery life: More than 6 months of operation and over 1 year of standby time Waterproof rating: IP55 Installation Easy installation with no wiring required Connect to your doorbell via the app Usage Two-way audio allows communication with visitors from anywhere Live video monitoring on your phone Motion detection alerts you to activity in front of your door Switch between 720 HD mode and night vision mode as needed Other information Remember to remove the insulating sheet from the battery for normal use Charge