WIRELESS and Rechargeable Battery: This WiFi video doorbell built-in 2600mAh*2 rechargeable battery and Wi-Fi connected, installing and connecting the security camera is 100% wireless, giving you the added convenience of not having to to deal with plugs or tangle of wires (TIPS: remove the negative insulation sticker from the battery and charge it fully when you use it for the first time). PIR Motion Detection and Cloud Storage: Live video recording can be activated right after detected human motion and saved locally to SD card or cloud (optional). our video doorbell will send alert to your mobile phone, provide period of free cloud storage service (TIPS: for video storage, we offer 32GB TF card preinstalled, it also supports cloud storage with 7 days free track.) 1080P CAMERA WITH NIGHT VISION: The home security doorbell can be used day or night, it monitors your home in 1080HD video with infrared night vision and live view. It maintains a 166 degree wide viewing angle and offers two-way audio so you can easily hold conversations with the built-in microphone and speaker IP65 waterproof: our video doorbell security camera helps you maintain security while visualizing whoever is at your door without opening it. To ensure your protection stays in place 24 hours a day, we use an IP65 waterproof design. It is safe to use in all weather conditions, making it ideal for year-round use. The video doorbell adopts financial encryption, supports up to 128GB Micro SD storage (32GB SD card included) and cloud storage. You'll never miss a moment with remote video and playback with encrypted cloud service wherever you are.