3.5 Inch LCD Colour Screen Digital Doorbell Electronic Peephole Door Camera Viewer 120 Degrees Cat's Eye Outdoor Doorbell

  3.5 Inch LCD Colour Screen Digital Doorbell Electronic Peephole Door Camera Viewer 120 Degrees Cat's Eye Outdoor Doorbell Mini outdoor camera 3.5-inch LCD color screen OV Industrial High Definition Color Image Sensor 120 degree actual viewing angle 24 hours monitoring   Specifications: Type: magic eye Material: Zinc Alloy Type: Digital Doorbell LCD screen: 3.5 inch  Sensor: 2 Mega CMOS Sensor Function: Energy saving, Low Power Alert Power supply: 4pcs AAA batteries (not included) Door Hole Range: 14-28mm Door Thickness Range: 35-100mm Keyword: digital door viewer Power source: 4pcs AAA batteries door hole diameter: 14-28 mm Door Thickness: 35-100 mm Indoor device size: 120x62x20 mm  Diameter (camera outdoors): 30 mm Net weight: 197g         Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.   package: 1 x Outdoor Unit               1 x Indoor Unit 3 x  Screw 1 x Metal bracket   Function operation:   Press the power button to turn on the display image, you can observe the scene outside the door in real time through the display screen, and automatically shut down after 15 seconds of power on.   1. Power on: Press the power button   2. Shutdown: It will automatically shut down after 15 seconds of power on, and it can also be shut down by long pressing the power button for 3 seconds in the power-on state.   Installation diagram and installation instructions:   Step 1: Open the screw pack and select screws of appropriate length according to the thickness of the door. Screw two screws into the metal protruding rods of the outdoor unit in advance.   Step 2: Insert the outdoor unit into the door hole, remove the metal bracket from the back of the main unit, pass the cable of the outdoor unit through the upper slot hole of the metal bracket, pass the screw through the lower slot hole of the metal bracket, and hang the metal bracket on the door on the screw of the external machine protruding rod. (Note: the triangular notch of the door outdoor unit is upward, and the arrow direction of the metal bracket is upward). After checking the direction of the door outdoor unit and the metal bracket, push and pull the metal bracket to the left so that the metal bracket is locked by the screw. Then tighten the two screws until the bracket and outdoor unit are securely fastened.   Step 3: Open the battery cover of the host, and put the battery into the host (the battery cover has the battery polarity mark).   Step 4: Align the 4 slots on the back of the indoor unit with the 4 hooks of the metal bracket, and then pull down the indoor unit firmly until it is locked.   Step 5: Peel off the protective film on the surface of the indoor and outdoor units. Installed.