Product Name: Wireless Smart Video Camera Sensor lens: 120degree wide-angle lens Sensor performance: support automatic white balance, automatic gain control, automatic backlight compensation Signal-to-noise : 41dB Minimum illumination: 0.8Lux/F1.4 (color mode), 0.3Lux/F1.4 ( mode) Night vision: 2pcs 850nm28M power infrared light Night vision distance: 1 meter is the , the distance is 3 Video : JPG rate: 30W/fps Recording : 1 button to trigger recording Cloud storage map: (5 images) Battery Type/Capacity: Polymer 803035/800MAH Battery discharge time: "Polymer battery sleep standby for 1 year" Wifi connection: 24 Ghz wifi support (80211b/g) Ding : Support RF433MHz Ding Storage: Support cloud storage function (hardware without TF card function) 3 free circulating cloud storage Working voltage: polymer 803035/37V Working current: working current 219mA, deep sleep current working current 280mA USB charging voltage: DC 5V/1.5A Storage temperature: (Celsius(0Celsius~50Celsius) Operating temperature: (C) Working temperature -10~50Celsius, working humidity Less than 95% : doorbell button to wake up Colour:Black Material:plastic Package Contents: 1 x Doorbell unit 1 x Indoor ding- unit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.