Our wireless doorbell camera provide you with smart and safe life. 【PIR Motion Detection & 2-Way Talk】 With PIR motion and human detection enabled, once human activity detected and notifies you. And you can safely see and speak to delivery people from inside your home. 【HD Real-time Image & Night Vision】 The doorbell camera sound is perfectly synchronized with the video and it's much clearer with wide-angle lens. The IR night vision function can make you seen clearly even in dim light. 【Cloud Storage Service】 This door camera offer free cloud service for you, capture the picture and push it to the APP and upload the short video to the cloud server, never miss a moment. 【WiFi Supported & Battery Powered】 The Door camera only supports 2.4G WIFI( not support 5G),  powered by 2 rechargeable lithium batteries(not included), low power consumption, long-lasting power per charge. 【IP65 Weatherproof & Easy Install】 Wireless doorbell designed with high-quality and IP65 weatherproof material,durable. The package contains all the installation accessories, it can be installed easily in just a few minutes. Note: the two batteries don't include, need to be purchased separately.  Battery type: 18650 lithium battery. Specification: Material: ABS Doorbell Camera Size: 13.49 * 4.57 * 4.57cm/ 5.31 * 1.8 * 1.8in Chime Size: 6.35 * 4.32 * 1.60/ 2.5 * 1.7 * 0.63in Weight: 175g/ 0.39lb Package List: 1 * Doorbell Camera 1 * Wireless Indoor Chime 1 * USB Charging Cable 1 * Double Sided Adhesive Tap 1 * Screw Pack 1 * Manual