• 【Smart Visual Doorbell】 U9 smart visual doorbell with ERP mobile detection and snapshot functionality, requiring a WiFi connection for operation
• 【Long Battery Life】 Features a 3600mAh polymer battery, providing over 6 months of normal use and up to 1 year of standby time
• 【Quick Charging】 Fully charges in just 1.5 hours, ensuring minimal downtime
• 【Cloud Storage】 Includes 3 days of free permanent rolling storage with unlimited interactions
• 【High-Quality Video】 Equipped with a 640*480 resolution camera for clear visual communication

Specifications:

• Material: ABS plastic
• Battery: 3600mAh polymer
• Power Input: 5V⎓1A
• Camera Resolution: 640*480 (300,000 pixels)
• Doorbell Dimensions: 136*72*35mm (L*W*H)
• Indoor Unit Dimensions: 55*42*25mm (L*W*H), 37mm height including USB
• Weight: Doorbell - 201g, Indoor Unit - 23.3g, Total - 224.3g
• Communication Type: Color visual smart intercom
• Storage: 3 days of rolling cloud storage
• Charging Time: 1.5 hours
• Standby Time: 1 year