Feature:1. Adopt wideangle lens, intelligent infrared recognition, when the light is insufficient, it will automatically switch the night vision mode, you can see any abnormality outside the door at night.2. Even when you are out of the house, you can actively wake up monitor by mobile phone at any time and anywhere and master the dynamics so that you will not miss any picture.3. 24 hours automatic abnormal sensing and capture video (need to be equipped with storage equipment) and push abnormal message to mobile phone, constantly remind.4. Using WiFi can be connected with the Ding Dong doorbell, music ringtone can be changed, it can also achieve intelligent interaction with other for TUYA supported products.5. With the function of twoway realtime intercom with echo elimination, infrared night vision, night vision range up to 10 meters.6. Battery powered (not builtin) doorbell, no wire connection, 50 meters strong penetration, no worry about receiving no signal, no sound.7. With the 166degree large wideangle lens, outside/courtyard/corridor/corridor and other corner pictures are at a glance.Specification:Item Type: Wireless DoorbellMaterial: ABS PlasticFeatures: Wireless connection, ultra-low power consumption, remote dynamic wake up, fast startUsage: It can make video voice call and short video recording when guests come to visit, the host can know the guest information without opening the door.Wake-Up Type: Doorbell button, PIR human body detection, Mobile phone activeAlarm Push: Push rapidly within 1 secondLow Power Solution: For HiSilicon liteos low-power solution Support: Multiple users online at the same timeDynamic Domain Name: Its own dynamic domain nameProcessor: Adopts powerful and high-performance programmable media, for HiSilicon processor HI3518E, built-in ARM926 at Max.440MHz and high speed VICPSensor Performance: Support automatic white balance, automatic gain control, automatic backlight compensationSNR: 39DBLens/Viewing Angle: Lens Angle is 166 degreesNight Vision: Double filter automatic switch, 6PCS 850nm28Mil high-power infrared lamp, night vision within 10m/11ydIR Control: IR on, night vision enabled, infrared, ICR automatic detection; IR off, infrared, night vision function disabled, ICR fixed in the day vision modeCompression Standard: H.264 Main Profile/ H.264 Baseline Profile/MJPEG Baseline /JPEG BaselineResolution: 1920 x 1080Code Rate: CBR/VBR two code rate control mode, and the output code rate range is 128-4096kbpsInput: 1 channel built-in 48DB microphoneOutput: Built-in speaker (81W)Intercom: Two-way voice intercom, with echo eliminationCompression Standard/Code Rate: ADPCM/ 32KbpsNetwork Protocol: TCP/IP,HTTP,TCP,UDP,SMTP,FTP,DHCP,DNS,DDNS,NTP,UPnP,RTSP,P2P, etc.Wireless Network: 802.11b/g/nWireless Network Security: WPS secure encryptionWireless Connection: One-click WiFi configurationRecord Mode: Motion detection video, doorbell button trigger video, manual video recordingStorage: Memory card storage support up to 32G(Not include)Power Supply: Battery power 2 x 18650 batteries (not built-in) international universalWork Temperature: -10-50Working Humidity: <95%Power Consumption: Standby current 120A, working current 170mAInstallation Method: Door wall hanging installationSize: Approx.141.5mm x 45.5mm x 32.4mm/5.6in x 1.8in x 1.3in(length x width x thickness)Voltage: 100-240VDing-Dong Doorbell Parameters:Voltage: AC100-240VPower Consumption: 10mWSensitivity: -100dbmVolume: 10-110dbWorking Frequency: 433.92 MHz +-280 KHzOutput Power: 0dbmSize: Approx.81 x 81 x 20mm/3.2in x 3.2in x 0.8in(length x width x thickness)Instructions: After the doorbell is installed, you can download the graffiti APP on your mobile phone, connect it with WiFi, and then use the APP to use other functions. The buzzer can also be connected with the doorbell when plugged in..Package List:1 x Doorbell Host1 x Buzzer1 x Little Wrench1 x Screw Mounting Kit1 x Sticky Board Posted1 x Doorbell Fixing Plate1 x Instructions