Marando Group srl

The battery operated unit is a good choice for homes or apartments that lack an existing wired doorbell, with battery life lithium ion battery sold separately lasting two to six months, depending on how often the camera is triggered by motion. Video records to a micro SD card sold separately inserted in the back of the doorbell. Its sleek look, simple configuration, waterproof case, and clear audio ability all make the Eversecu a favorite. Note also that the product comes with a limited one year warranty. Buy now. Powered by 4 AA batteries, the Vodool Smart Wireless Doorbell with Night Vision stands out for many reasons, including its motion detection capabilities, 166 degree range of view, and easy installation.