Avaak Vue Wireless Add-On Camera Box contains one Vue battery-powered camera, one CR123 battery, one optional mounting screw, one peel and stick camera mount. Easily installs and syncs to your existing Vue gateway with a single click. Ultra low-power camera utilizes innovative optics and patented FrameMesh technology. 300 ft. wireless transmission range to gateway, depending on environmental factors. Each Vue personal video network gateway can accommodate up to 50 Vue cameras.