Description: 1. Material: High-quality ABS material, light and durable, long service life 2. Lens: This video doorbell has an ultra-high-definition camera lens and a 125° wide-angle lens to protect your home security around the clock. 3. Video call: Built-in two-way microphone, when someone rings the doorbell, a push notification will be sent to the mobile phone, and the owner can enter the mobile phone call interface. You can check and talk to the visitor anytime and anywhere. 4. Volume adjustment: This doorbell has a strong and stable signal, easy pairing, and a transmission distance of up to 50 meters. The volume and ringtone can be adjusted according to your preferences. 5. Infrared night vision: Built-in high-quality IR LED lamp beads and light sensor, the picture is clear at night. When the ambient light drops to 2 Lux, it can also automatically switch from day mode to night mode. 6. Battery use: The doorbell has a built-in 1000 mAh rechargeable lithium battery. It can be used continuously for 2 to 4 months after being fully charged. There is no need for frequent charging. The bell is powered by USB and has a long battery life. 7. Storage method: This doorbell supports TF card + cloud storage. When a visitor presses the doorbell, it can capture the visitor's picture and save the record to the APP, so that the mobile APP can view past pictures at any time, which is safer and more secure. 8. Network connection: Supports 2.4GHz network connection and "Tuya" APP connection. The mobile phone can quickly wake up the device within 1 second remotely, making the work more stable. 9. Portable installation: 2 installation methods, can be pasted with adhesive or drilled, convenient and worry-free Specification: Name: Smart Wireless Video Doorbell Security Camera Infrared Intercom Doorbell Waterproof Doorbell Colour: Black Working temperature: -10°-60° Viewing angle: 125° Main control processor: Broadcom/BK7252 Power input: DC5V/2A Power supply mode: 100-240v, 50-60Hz Battery used: Built-in rechargeable lithium battery Battery capacity: 1000 mAh Working time: 2-4 months Night vision type: infrared night vision Storage function: TF card (maximum support 64GB -not included) + cloud storage (free forever) WiFi connection: only supports WIFI IEEE802 11b/g/n (2.4GHz), RF 433mhz Voice system: two-way intercom/mobile phone remote prompt viewing System support: Android 4.3 or iOS 9.0 or above Use APP: Tuya APP Music type: 20 pieces Recording distance: about 5m Waterproof grade: IP65 Radiator size: 13.5*3.5*2cm Receiver size: 6*3.8*2cm Gross weight of a set: 210g Package list: 1 * Receiver 1 * Transmitter 1 * Data cable 1 * Installation accessories 1 * Instruction manual