• Solution:  Hisilicon 3518 EV200
  Battery Powered&low power consumption Video Doorbell
• Free cloud storage: 20 video recording/day
• Image resolution: 720P (1280*720)@30fps
• Night vision: 5 Meters Support full duplex real time calls and communication
  One-button WIFI configuration and sound wave configuration
• Lens Angle::120-130 degree super wide angle
  4 seconds remote wake up wifi doorbell by phone APP
• Motion detection:Built-in high-sensitivity PIR sensor
  Video compression: H.264
• Alarm:Send Email/ push the message to phone
  Push Mode:Silence/Notification/Call in(optional)
• Storage: 32GB Micro SD Card(Max) or Cloud Storage
• Water-Resistant: IP53 Waterproof
  18650 batteries last working about 3–6 months (according to Battery capacityl )
• Power Supply: DC5V/1A or AC 24V(Optional)

1. 2600Mah*2=5200mAh, Cost:2.5USD/2PC
2. indoor Chime(optional): 2.8USD/PC
3.Power Supply: 5V/1A(Optional),the cost :1.2USD/PC
4. Free App: UBox App,that is support Alexa.
5. Tuya App: 2.5USD/PC more