High definition clear video with 60 viewing angle, display the details in front of your door, and practical WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real-time mobile phone, support Single-way calls, photos, recording, caring makes you more secure,support 2.4G WIFI (Not support 5G Wifi) Disassembly free charging, built-in 800MAH lithium high-capacity battery, more than 6 months of normal use,Charging time 1.5 hours Two-way audio: communicate with visitors through single-way audio,With noise cancellation microphone. It is weather resistant,You can monitor your front door by watching real-time video Easy installation: download the APP and connect it to the doorbell. No wires and cables are required.No matter where you are, You can the information Lens 0309 480P 640*480 The battery model comes standard with 800 mA, which can last for 1-2 months. Power input 5V-2A Voice system two-way intercom/mobile phone remote prompt view Recording range: 5m Cloud storage is always free. Wireless connection wifi IEEE 802.11b/g/N2.4ghz, RF 433mhz. The system supports Android4.3 or ios9.0 or above. USB interface: -C /DC5V-1A Jingle size: 49 x 46 x 27mm color:White Material:plastic size:89 x 50 x 26mm Package Contents: 1 x Doorbell 1 x Tinker 1 x Base 1 x Double sided tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.