T6 Smart Wireless Video Doorbell Digital Visual Intercom WIFI Door Bell Waterproof Electronic Doorman Home Security CameraSpecificationsSensor: 720p GC1054 CMOS sensorLens: 120° wide-angle lensNight vision: automatic switching of dual filters, 6 high-power infrared lights of 850nmΦ28MilNight vision distance: 5 meters is the best, the longest distance is 20 metersMotion detection: PIR motion detection, the sensitivity can be adjusted to detect the distance (triggered immediately within the effective distance), the best 2 meters, the longest 4 meters (affected by ambient temperature and light)Humanoid Recognition: It will automatically record when a humanoid is detected (if no humanoid is detected, it will automatically enter the sleep state)Video size/frame rate 720P/20fpsBattery type/capacity: 18650 cells 2600mAH*2=5200mAH (battery not included)Battery discharge time: two 18650 batteriesSleep standby: 2 months, recording 30 15-second videos every day can last for 45 daysWIFI connection: 2.4GHz wifi, support (802.11 b/g/n)Working voltage: 3.7V 18650 lithium batteryWorking current: working current 250mA (mA), sleep standby current 0.8mA (mA)USB charging voltage: DC 5V / 1.5AAC power supply/charging: External AC 12-24VStorage temperature (): 050Operating temperature () Operating temperature: -1070Working humidity: