Main control chip: Huawei HiSilicon Hi3518EV200 Sensor: Million HD COMS 1/4 sensor OV9732 Lens: 1.7mm full 4G ultra-wide angle lens Viewing angle: 170 degrees horizontally System: Lite OS Standby time: about 6 months (wake up 10 times a day, 30S each time) Day and night conversion: automatic switching of double filters Infrared distance: infrared 850nm, effective distance 5m Network configuration method: WIFI one-key configuration and sonic configuration Detection of the human body PIR: supports PIR detection and wakes up Audio: -38dB built-in microphone / 1 speaker Recording management: manual recording, alarm recording Network: 2.4GHz Wi-Fi Alarm: passive infrared detection of the human body Function: - Adaptive bit rate: support - Simultaneous talk: support full-duplex real-time talk - Panoramic display mode EU: 3D simulation and automatic cruise - Sleep time: 15 seconds - Voice phone call: support - Remote wake-up: support - PIR wake-up: support - Mobile client: ANYHOME, ios10. 0, android5.0 and above System Requirements: - Power supply: two 18650 2600mAH batteries (optional) - Waterproof: life waterproof - Working temperature: -20-and70 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.