Item Type: Video Doorbell Material: ABS Connect: Mobile phone App Image Resolution: 480p Type: Colour video intercom Description: White rechargeable model Battery Type: Lithium Polymer Battery Model: 604030 Battery Capacity: 600mAh (shipped with internal battery) Package List 1 x Doorbell Gasket 1 x Doorbell Camera 1 x Indoor Ding Dong Machine 1 x Instruction Manual 1 x USB Data Cable 1HD Video Recording: The doorbell is equipped with an HD camera that records clear video in real time, allowing you to monitor the situation outside your home in real time even when you are away from it. 2Voice Intercom: By connecting to your mobile phone, you can have a real time voice conversation with the visitor at the door, facilitating communication and exchange. 3Intelligent Detection and Alarm Function: Video doorbell camera is equipped with an intelligent detection system that automatically recognises human movement and issues an alarm to alert you to the safety of your home. 4Durable Construction: Wireless smart video doorbell camera is made of premium material, which is sturdy and durable and has a long service life. 5Punch Free Installation: The Wireless doorbell can be installed wherever you want without the need for tedious punching.