[Clear Night Vision] Equipped with LED infrared light. Intelligently switch to infrared night vision mode. The image is clearly visible, you can see clearly without light. [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. [Real-time Video & Remote Control] Available to watch the real-time image even when you are out, the mobile receive they notify when someone rings the doorbell. [Power Supply] The doorbell is powered by built-in 1000mAh large battery, has long working time after fully through power bank, AC adapter, computer, and more, no need to charge frequently., Weight: 0.40124131684 Pounds, Manufacturer: Kueohse