Features: 1080P noise-free real-time two-way conversation: 166° wide-angle lens with clear 1080P HD resolution. The doorbell camera's 1080p / 30fps resolution and WDR function assure optimal clarity. APP control and easy installation: Support for iOS and for Android systems, download the "anyhome" app 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 existing wiring. Ultra-low power consumption, long standby time: In standby mode, the smart doorbell can work regularly for more than 6 months, using 18650 batteries* 2 (not included), charging two 18650 rechargeable batteries through the Micro USB cable. The camera doorbell can be charged via the universal 5V 2A phone adapter. Free built-in multi-function ringtone: There are 52 melody and 4 adjustable volume for you to choose from. Innovative bell design, super bright strobe, perfect speaker, volume over 95 decibels. PIR motion detection and infrared night view: If someone is standing outside the door, the wireless doorbell will take a picture of the guest and send you a message. The infrared light will turn on automatically at night. Specifications: Condition: Brand New Color: Shown as Picture Material: ABS 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: 170° horizontal Video stream: Transfer 1920 * 1080 / 15fps 1280 * 720 / 30fps 640 * 360 / 30fps 1280 * 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 Micro memory card (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: ANYHOME, ios10.0, android5.0 or above Power supply: two 18650 batteries 2600mAH (Excluded) Working temperature: -20 ° C ~ +70 ° C Working humidity: ≤80%RH Package List: 1* WiFi Doorbell 1* Screw Package 1* Bracket 1* Instruction Manual 1、1080P noise-free real-time two-way conversation: 166° wide-angle lens with clear 1080P HD resolution. The doorbell camera's 1080p / 30fps resolution and WDR function assure optimal clarity. 2、APP control and easy installation: Support for iOS and for Android systems, download the "anyhome" app 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 3、Ultra-low power consumption, long standby time: In standby mode, the smart doorbell can work regularly for more than 6 months, using 18650 batteries* 2 (not included), charging two 18650 rechargeable batteries through the Micro USB cable. The camera door 4、Free built-in multi-function ringtone: There are 52 melody and 4 adjustable volume for you to choose from. Innovative bell design, super bright strobe, perfect speaker, volume over 95 decibels. 5、PIR motion detection and infrared night view: If someone is standing outside the door, the wireless doorbell will take a picture of the guest and send you a message. The infrared light will turn on automatically at night.