Specifications:  Lens: 1/4 /F2.4 /120degree.  Pixel: 1 million pixel.  Power: Standby: 1.5W, Work: 3.8W.  IR distance: about 3 meter.  Size: 155*95*45mm.  Power Adapter Type: EU/US/AU Plug.     Products Introduction:  WiFi video doorbell connects to network via wireless router or network cable.Mobile devices include smartphone or tablet,could connect to the doorbell;After the visitor rings,mobile devices could interact with doorbell via real time video and audio,user can view the visitor,then decide to whether intercom or open the door etc.  Wifi doorbell support PIR and motion detection to whether intercom or open the door etc.  2.4G Wifi,real time viewing,max to support 100MB broadband,support Android and IOS operation system.  Multi doorbell and multi mobile device can work at the same time.     Functions:  1. The doorbell is made of water-resistant and blue-colored silicone,saving electricity,luxurious and beautiful.  2. With rain proof cover,waterproof level IP55.  3. With unlock function.  4. One doorbell can support max to 8 mobile devices.  5. One mobile device can support max to 4 wifi doorbells.  6. With Duplex intercom function between doorbell and mobile phone,voice loudly.  7. Support motion detection.  8. With IR night vision.  9. Support monitor function though mobile device.  10. Can take photo and video.  11. P2P cloud service could push messages of visitor calls,visitor photos and motion detect alarm to mobile device.     Device Requirement:  1. Smartphone or tablet above Android 4.2 version,IOS above 8.0 version.  2. Home network above 2MB with wifi router.     Note:  Only includes the outdoor camera doorbell.The phone and tablet are not included.     Package includes:  1 * 12V2A Power Supply Cable.  1 * WIFI Outdoor Camera Doorbell.  1 * Terminal Wire.  1 * Unlock Wire.  1 Set * Screws.  1 Set * Tools.  1 * User Manual