[2K HD & Night Vision]2K HD resolution and 155° wide viewing angle for superior clarity. The doorbell camera features infrared night vision that automatically activates in low-light conditions, ensuring you can clearly see your visitors even at night. [Human Detection & Alarm]Thanks to the advanced PIR sensor, you'll receive an immediate alert on your phone when motion is detected or someone presses the doorbell. Customize detection zones and sensitivity for tailored security. Unique voice changer adds a layer of privacy by changing your voice during interactions. [No Subscription Required]Enjoy free lifetime basic cloud storage, 7-day loop recording, and the option to use a local SD card (up to 128GB, not included). Share access with family members at no extra cost, and stay safe with the burglar alarm that notifies you if the device has been tampered with. [Easy Installation & 2.4GHz WiFi Compatibility]No wires required, set up your doorbell in less than 15 minutes. Download the CloudEdge app, pair with your smartphone and the included wireless doorbell, and connect to a 2.4GHz WiFi network (5GHz is not supported). Conveniently monitor the battery level through the app. [Weatherproof & Long Battery Life]This doorbell is IP65 rated to withstand harsh weather conditions. The 5200mAh battery lasts 3-4 months per charge. The low battery warning prompts timely charging, ensuring your doorbell is always ready to monitor your home. Colour:Black Material:Plastic Package Contents: 1x Wireless Doorbell Camera set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.