Model: Smart Doorbell Specification B60 Main control chip: Huawei HiSilicon Hi3518EV200 Sensor components: million high-definition COMS sensor 1/4 OV9732 Lens: Full 4G ultra wide-angle 1.7mm lens Viewing angle: 170 degrees horizontally Video stream: transmission 19201080/15fps 1280720/30fps 640360/30fps 1280720/30fps CMOS performance: support automatic white balance automatic gain control automatic backlight compensation System: Lite OS Standby time: about 6 months (wake up 10 times a day 30S each time) Day and night conversion: automatic switching of dual filters Network configuration method: one-key WIFI configuration + sonic configuration Infrared distance: 850nm infrared effective distance 5m PIR human body detection: support PIR detection and wake up Audio: Audio coding standards AAC and G.726 Audio input/output -38dB microphone/built-in 1 speaker Video management: Recording method: manual recording alarm recording Network: WiFi 2.4GHz Network protocol: TCP/IP HTTP TCP UDP SMTP DHCP DNS P2P Wireless: WIFI802.11b/g/n wireless network Alarm: passive infrared detection of human body support Function: adaptive bit rate support Two-way intercom: supports full-duplex real-time talk Panoramic display mode: 3D simulation and automatic cruise Sleep time: 15S Voice phone call: support Remote wakeup: support PIR wake up: support System Requirements: Mobile client: ANYHOME ios10.0 android5.0 version and above Power supply: two 18650 batteries 2600mAH (optional) Working temperature: -20℃~+70℃ Working humidity: ≤80%RH