100% Wire-Free & IP65 WaterproofELECCTV security camera contains a rechargeable battery, with a variety of power-saving modes to set in the APP, the camera can be used 1-3 month after full charging. The completely wireless camera of the IP65 waterproof level can be easily installed anywhereOnly work with 2.4Ghz WiF. 2K QHD Live Video & Color Night VisionThe lens of the security camera adopts a 128° wide-angle design, which can be seen to obtain a wider field of view. With 3MP ultra-high definition, you can see clearer details than 1080P cameras. A stunning full color night vision security camera allows you to get a clear picture even in total darkness. 2-Way Audio & Custom AlertsThe security camera is located in the inside of the speaker and microphone, which supports Two-way Audio. You can talk to the people in front of the camera at any time through the mobile app.