Smart Wireless WiFi Video Doorbell 1080P Camera Door Bell Ring Intercom SecurityFeatures: * Exquisite appearance, compact and beautiful, strong practicability * HD visualization, safe and reliable * Simple installation and exquisite design * Built-in battery, easy charging, ultra-low power consumption intelligent control, energy saving and emission reduction installation method: 1. early scan the QR of the manual and download the APP 2. Download the APP, click to register, step by step 3. After registration, click "+" to add devices 4. Add WIFI and WIFI password 5. After the setting is successful, click to open the QR and scan it with the doorbell camera at a distance of about 10cm. There will be a prompt sound after the addition is successful, click "OK" 6. Install doorbell to share WIFI door or office door 7. Insert Dingdang into the USB port NOTE: The doorbell is rechargeable. Please use the USB cable to charge when there is no power. Specification: * Material: ABS * Voltage: 5(V) * Resolution: 1080P/2 megapixels * Image sensor: 1/3 CMOS * Horizontal resolution: 720P * Type: Wireless Camera * Network power supply mode: WIFI * Backlight Compensation: Infrared Lamp * Voice type: two-way intercom * Infrared night vision distance: 15M * Signal-to-noise ratio: 39 * Working temperature: - 10-50 * Transmitter size: 42 mm × 25 mm × 81mm * Receiver size: 40 mm × 39 mm × 64mm * Package size: 103*88*36mm Package content: 1 x doorbell 1 x Jingle Receiver 2 x screws 1 x instruction manual Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Smart Wireless WiFi Video Doorbell 1080P Camera Door Bell Ring Intercom Security Our products are beautifully designed and in line with fashion trends. Please read the product description and precautions carefully before purchasing to ensure that the product meets your needs and expectations. If you have any suggestions or feedback during use, please feel free to share with us. Whether the product makes you feel relieved and secure, we want to see your evaluation.