d1 video doorbell camera 720p wireless wifi smart night vision pir motion detector+indoor buzzer exquisite retail packaging

built-in lithium battery, convenient power supply support tf card storage, 24-hour video storage, video synchronization, automatic coverage loop recording when full recording dingdong machine is plug and play, no wiring required, omni-directional gain, strong sound penetration, and can be used without a network specification: name: wireless wifi smart video intercom doorbell chip: hi3518ev200 sensor: sensor9732 lens angle: wide-angle 166° infrared lights: 6 resolution: 720p.buyer friends please pay attention: what type of plug is needed. please leave a comment. thank you