Tuya APP 1080P UHD Security Door Bell Night Vision 2.4G WiFi Security Doorbell Camera Voice Change Security Video Intercom for ApartmentsFeature:1. Pre the doorbell to automatically store in the cloud:Take 2 photos and store them in the cloud and push meages.2. Real time video call:When someone prees the doorbell, video call can be made through the mobile phone APP.3. Super long endurance:Built-in 1000mAh battery, super endurance.4. Sound changing function:Support switching of multiple sound changing function modes.5. Pluggable memory card:Up to 128G memory card is supported. Pre the doorbell to start recording. (Not included). It can be pasted with glue or punched for installation, simple and convenient.Specification:Certification: CEOrigin: Mainland ChinaItem Type: Video DoorbellConnection Type: WirelePower: Electric SupplyItercom: YesModel: V9Color: Black, white (optional)APP name: TuyaResolution: 1080PWirele connection: Support wirele WiFiWide angle of lens: 90 Battery capacity: 10000mAhNumber of infrared rays: 6Night vision distance: 5m/16.4ftSupport system: For iOS/AndroidProduct material: ABSProduct size: 75x45x25mm/2.95x1.77x0.98in Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 X Door Bell Camera1 X Receiver1 X Charging Line1 X Instruction