Product name:For Tuya doorbell remote visual language intercom Chipset: Chipset, Realtek8715AQD (integrated Wi-Fi) Memory: RAM, 32MB Flash: Flash, 8MB Detection range: 10 meters Sensitivity: high/medium/low, for selection Sensor type: 1/4" Progressive Scan Cl0S Effective pixels: 1. 0MP Effective focal length: 3.6mm Aperture: F2.1 Field of view: 135°*114°*88° Infrared light Infrared diode: 6 EXIR infrared lights: 7 meters (wavelength 850nm) Dual filter: regular Working indicator light: red and blue dual color*1 Charging indicator light: red and blue dual color*1 WIFI module: main control integration: 2.4g, 5.8g Dual frequency Microphone: Full duplex, sensitivity: -38±3dBm Speaker: Built-in 8Ω/1W TF card: Maximum support 128G Button switch: Reset*1, Doorbell button*1 Wireless 433 transmitter module: Wake up the indoor Dingdong machine Operating system: Andorid: Andorid 4.3 or IOS: IOS 9.X-10.X or Pairing method: Scan QR Code Camera: HD 1080P Image resolution: 5MP Temperature: Working temperature: -20 degrees -50 degrees Storage temperature: -20 degrees -70 degrees Color: black, white Weight: 300g Includes: 1pcs