Feature:1. VIDEO CALL: When a person outside the house presses the doorbell, the display will show video pictures of the outside of the house. Even if the elderly and kids at home do not have cell phones, they can know the situation at the door just by checking the screen.2. HI FI MICROPHONE: Support two way voice, with high power speaker and high sensitivity microphone, the call is clear and smooth. In addition, it supports adjusting the volume level without disturbing your family.3. HD LENS: This doorbell has a 170 wide angle 8MP fisheye lens, which gives a full view of the situation in front of the door, so that there is no "security dead corner" in front of the house, and multiple visitors can be seen.4. DAY AND NIGHT: Built in high power infrared night vision light, combined with ICR infrared filter, it can automatically switch between day and night mode. Even in the dark environment where you can't see your fingers, you can still see clearly.5. HIGH CAPACITY BATTERY: The doorbell and display screen are equipped with large capacity batteries. Even if there is a sudden power failure at home, the low power consumption of the doorbell and display can still continue to work for a period of time, and continue to protect your home security.6. WATERPROOF AND ANTI THEFT: The doorbell supports IP66 dustproof and waterproof. There are fixing screws between the doorbell and the waterproof shell, using the screws to punch the holes to install the doorbell can avoid the doorbell being stolen.Specification:Item Type: Video DoorbellMaterial: ABSLens Pixel: 8MPLens Type: 170 Large Wide Angle Fisheye LensNight Vision Distance: 5-10m / 16.4-32.8ftPickup Distance: 5m / 16.4ftStorage Type: Small Memory Card (Excluded) (Maximum Support 256G)Doorbell Camera Battery Type: Lithium Ion BatteryDoorbell Camera Battery Capacity: 1000mAh (Built In)Display Screen Battery Type: Lithium IonDisplay Screen Battery Capacity: 400mAh (Built In)Charging Port Type: Type CWiFi Version: 2.4GHZWaterproof Rating: IP66.Package List:1 xVideo Doorbell1 x Doorbell Backboard1 x Display Screen1 x Charging Cable1 x Instruction Manual1 x Large Sticker1 x Small Sticker6 x Expansion Tube6 x Screw1 x Small Screw Note:1. Built in 1000 mAh battery, can be recharged, according to the doorbell pressed 5 times a day, according to each call 10 seconds to calculate, can continue to work for three months.2. The working mode of the doorbell is that when someone presses the doorbell, the camera starts and connects to the display. If no one presses the camera, the display will not work and the camera will not turn on.3. Due to the need to ensure the stability of the connection, the doorbell and the display are connected point to point, so the doorbell does not support the access to third party devices, such as cell phones, computers, tablets and so on.4. Will it be stolen? If installed with screws, the bottom of the doorbell is fixed with the backplane using screws, the connection is very tight, unless forced to dismantle, otherwise it can not directly take away the doorbell, very safe.5. Transmission distance and conditions of use: the doorbell adopts 2.4G WiFi connection, the transmission distance can reach 30M in the plane without obstruction, and the distance will be attenuated by half if it meets the wall obstruction. ( Some strong magnetic iron doors have strong signal shielding, which may lead to no signal, please avoid installing directly on the door when using)