Description: Item model number: M3 Remote Monitoring Solution Broadcom/BK Lens 0328: Angle 125 degrees Battery model: 400 mAh, 2 months of permanent battery life Power input: 5V-2A Human body induction: optional Storage function: TF card (maximum support 64G, not included) Voice system: two-way intercom/mobile phone remote prompt view Recording range: 5m Wireless connection: WIFI IEEE802 11b/g/n 24GHz, rf 433MHz System support: Android4 3 or ios9.0 or above USB interface: MCRO-Mike 5P/DC5V-1A Product size: 106*45*24mm Specifications: Features 1.400mah battery capacity. 2.Million HD pixels collocated with 125 degree wide-angle lens 3.Support mobile phone remote fast wake up device within 1 second. 4.2.4G Wi-Fi connection 5.High quality two-way talk with noise cancellation 6.Support PIR motion detection, when someone hovers at the door, immediatelyalerts push notifications to the mobile phone. 7.Day and night mode automatic switching, whether day or night, the image isclearly visible, for your safety and family security. 8.SupportULookaAPP.More Stable To Connect And Work. Package Included: 1*smart doorbell 1*ding dong 1*USB cable 1*manual