Wireless Video Doorbell Camera, support 2.4G WiFi and APP connection, 1080P high resolution, horizontal 133° and diagonal 155° wide angle, you can see wider and more clearly. Night Vision & Cloud Storage, With builtin IR LED lamp beads the picture is also clear at night; supported cloud storage (3-day automatic cycle cover), no need of TF card. Power Supply, the doorbell is powered by built-in 800mAh large battery, has long working time after fully charged through power bank, AC adapter, computer, and more, no need to charge frequently. Equipped with Doorbell Chime, strong and stable signal, easy to pair up, the transmission range between the doorbell and chime is up to 10 meters; with USB power supply, easy to install, no worry of low battery. Smartphone Notifications and 2-Way Audio, when someone press the doorbell, it will capture images and push a notification to your smartphone immediately; with built-in mic, you can see and talk to your visitors at anytime and anywhere., Manufacturer: QAXRZCUCD