Using high powered infrared LEDs, this doorbell camera can see objects or people up to 33ft (10m) away in the dark. The 160° ultra-wide angle lens provides you with more security coverage, as well as helping with earlier detections, which will give you more time to react if necessary. The Lorex doorbell is not battery operated. It is designed to easily connect to existing doorbell wiring (16V-24V) and is compatible with existing traditional mechanical and electronic digital chimes.Once powered and linked to the chime, the Lorex Home App will guide you from there. This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Home Surveillance\Security Cameras". The seller is "peter_199" and is located in this country: CA. This item can be shipped to Canada, United States.