Feature:1. Home Security System: 1MP HD surveillance camera with clear image. 160 wide angle, large field of view and smaller monitoring dead angle to protect home security.2. One Click Shoot Design: The one click shoot function is fast and convenient, which is very suitable for the elderly and children. Press the MENU button at any time in the viewing state to store the current screen information.3. Smart FIFO Function: When the memory is full, the video doorbell system will automatically overwrite the previous photos in chronological order, and there is no need to regularly clean up the content.4. Rechargeable Host: Come with built in high capacity lithium battery, when the battery is dead, you can also use the power of the mobile power bank (not included) to charge the host.5. Usages: Digital door viewer is suitable for all kinds of places, such as families, apartments, office buildings, hotels and other places. Iron doors, wooden doors, anti theft doors, glass wooden doors, etc. can be installed.Specification:Item Type: Video Doorbell SystemMaterial: ABS, Stainless SteelUsages: Digital door viewer is suitable for all kinds of places, such as families, apartments, office buildings, hotels and other places. Iron doors, wooden doors, anti theft doors, glass wooden doors, etc. can be installed.Display: 2.4in TFT color screenViewing Angle: 160Camera: 1MP pixelsApplicable Door Panel: Approx. 35-110mm/1.4-4.3inApplicable Peep Hole: Approx. 15-25mm/0.6-1.0inBattery Type: Built in 1PC 3.7V 1200mAh lithium batteryBattery Model: BL-5C.Package List:1 x Door Viewer Camera1 x Screen1 x Mounting Plate6 x Screw1 x USB Cable1 x ManualNote:Do not place the product in an environment that is too humid and high temperature.