Smart Wireless WiFi Doorbell Intercom Video Camera Door Ring Bell Chime Security
100% wire-free, easy to mounts in any spots you like. Ding Dong: Support RF 433MHZ Ding Dong. WiFi Connection: 2.4GHz WiFi, Support (802.11 b/g/n). Night Vision: 2 850nmΦ28mil high-power infrared lights;.