Wireless Doorbell Camera Features: Wireless Battery Powered Smart HD WIFI Doorbell Camera 1080P Resolution with 150 degree wide angle Loud and Clearly two way talk with noisy cancellation technology Prerecorded quick responses 6000mAh rechargeable battery can working at least 4-5 months Smart play back by drag time line on APP Support power management to indicate how many days you can use based on battery power 6PCS Infrared Leds with Night Vision up to 6 Meters Motion detection triggered with alarm snapshot and recorded video clips, alarm Recording to TF Card(Max. 128G)Support wifi, free P2P cloud storage service, push alarm to mobile via APP "CloudEdge"