Features: 1080P noise-free real-time two-way conversation for iOS, for Android compatible apps. 166° wide-angle lens with 1080P HD resolution. The doorbell camera's resolution and WDR capabilities ensure the best clarity regardless of weather conditions. Download for ''anyhome'' app on your phone and connect to Wi-Fi. Install and secure the bracket base of the WiFi doorbell, insert the doorbell and screw in the tamper nut. The camera doorbell is battery powered and does not require wiring. Ultra low power consumption and long standby time. In standby mode, the smart doorbell can work regularly for more than 6 months. Two 18650 rechargeable batteries can be charged via the Micro USB cable. The camera doorbell can be charged via the universal 5V 2A phone adapter. Built-in free multi-function ringtone, just plug the doorbell into the socket. There are 52 melody and 4 adjustable volume for you to choose from. Innovative design, super bright strobe, perfect speaker, its volume of more than 95 decibels brings unexpected quality. PIR motion detection and infrared night view, if someone is standing outside the door, the wireless doorbell will take a photo of the guest and send you a message. The infrared light will turn on automatically at night. Specification: Condition: Brand New Color: White Material: ABS Plastic Main Control Chip: for Huawei Hisili Hi3518ev200 Sensor Equipment: Million HD Coms Sensor 1/4 Ov9732 Lens: Full 4G Super Wide-angle 1.7mm Lens Viewing Angle: 166° Horizontal Video Stream: Transfer 1920 x 1080 / 15fps 1280 x 720 / 30fps 640 x 360 / 30fps 1280 x 720 / 30fps Cmos Performance: Support Automatic White Balance, Automatic Gain Control, Automatic Backlight Compensation System: for Lite OS Standby Time: About 6 Months (10 Wakes Per Day, 30s Each Time) Day and Night Conversion: Dual Filter Automatic Switching Infrared Distance: 850nm Infrared, Effective Distance 5m Network Configuration Mode: One-button Wifi Configuration + Sound Wave Configuration PIR Human Detection: Support PIR Detection Wake Up Audio Coding Standards: AAC and G.726 Audio Input / Output: -38db Microphone / Built-in 1 Speaker Recording Mode: Manual Recording, Alarm Recording Memory: 8-32G SD (Excluded) Wifi: 2.4GHZ Network Protocol: TCP / IP, HTTP, TCP, UDP, SMTP, DHCP, DNS, P2P Wireless: Wifi802.11b / G / N Wireless Network Passive Human Infrared Detection: Support Adaptive Code Rate: Support Two-way Intercom: Support Full-duplex Real-time Call Panoramic Display Mode: Analog 3d and Auto Cruise Sleep Time: 15s Voice Call: Support Remote Wakeup: Support Pir Wake Up: Support Mobile Client: for Anyhome, for IOS10.0, for Android5.0 or Above Power Supply: 2 x 18650 Battery 2600mah (Excluded) Working Temperature: -20 ° C -70 ° C Working Humidity: ≤80%RH Package List: 1 x Wifi Doorbell 1 x Screw Package 1 x Bracket 1 x Instruction Manual 1、1080P noise-free real-time two-way conversation for iOS, for Android compatible apps. 2、166° wide-angle lens with 1080P HD resolution. 3、The doorbell camera's resolution and WDR capabilities ensure the best clarity regardless of weather conditions. 4、Download for ''anyhome'' app on your phone and connect to Wi-Fi. Install and secure the bracket base of the WiFi doorbell, insert the doorbell and screw in the tamper nut. 5、The camera doorbell is battery powered and does not require wiring.