Doorbell Camera Wireless,Battery Powered Wifi Video Doorbell Camera With Chime,Anti-Theft Device,Human Detection,2-Way Audio,Wifi,Sdcard/Cloud Storage【Feature】：1.Built-In Light Sensor Will Turn On The Night Vision Mode Automatically According To The Brightness Around. 2.That The Wireless Doorbell Camera Will Not Lose Any Details Even In Darkness. The Maximum Distance Of Night Vision Can Be Up To 20 Meters3.We Provide Free Cloud Storage Service For This Video Doorbell Camera, Device Will Upload Videos From The Latest 3 Days In A Loop. 4.You Can Check And Download Them By Your Smartphone Whenever And Wherever. Don'T Worry About The Security Of The Videos【Specification】:Cpu: 1080p Insignia+Gc2063cmos SensorLens: 120° Wide-Angle LensSensor Performance: Automatic White Balance, Automatic Gain Control, Automatic Backlight CompensationSignal-To-Noise Ratio: ≥39dbIllumination: 0.8lux/F1.4 (Color Mode), 0.3lux/F1.4 (Black And White Mode)Night Vision: Dual Filter Automatic Switching, 6 850nmφ28mil High-Power Infrared LightsNight Vision Distance: 3-20 MetersMotion Detection: "Pir Motion Detection, The Sensitivity Can Be Adjusted To Detect The Distance (Triggered Immediately Within The Effective Distance)Distance 2-4 Meters (Affected By Ambient Temperature And Light)"Video Format: Mp4 (H.264)Video Size/Frame Rate: 1080p/720p 20fpsBattery Type/Capacity: 18650 Cells 2600mah*2=5200mahBattery Discharge Time: "Three 2 18650 Batteries Sleep Standby For 6 Months【Packing List】:1 X Doorbell Camera1 X Wall Bracket1 X User Manual【Recording Method】:1. Motion Detection Recording2. Press Button To Trigger Recording3. Preview The Video