Features:-Day and night mode automatic switching, whether day or night, the image is clearly visible.-Energy saving and low consumption, 400mah battery capacity, in can last for about two months.-Remote video call, you can receive express delivery without being at home, when someone rings the doorbell, the doorbell will push the notification to the mobile phone.-125 Degrees wide angle lens, let you see more picture range.-Support multi person sharing, app can share doorbell with family, when it’s inconvenient for you, you can also ask your family to help. Support "Smart Life" application. Connect and work more stably.Specification:Lens angle: 125 degreesBattery model: 400mAhPixel: 1280*720Input voltage: DC 5V-1AStorage function: TF card (maxi.