Digital door viewer, peephole camera and doorbell with LCD screen. Features: LCD screen display: The 2.8 inch screen allows you to easily see the faces of visitors. It is safer and more convenient. Photo shoot: When the visitor presses the doorbell, the indoor host will ring and the LCD will light up to take a photo. In power-on mode, you can press "power key" to also take a photo. Easy to make visitor registration. Supply Mode: Powered by 4 AAA batteries (not included), just open the battery cover on the side of the indoor host, no need to remove the doorbell. The screen supports power display. Built-in memory: With built-in memory, it stores photos in a loop, no memory card needed. Wide Viewing Angle: 90 degree wide angle lens lets you see a bigger picture without missing visiting friends. More Features: Support photo browsing, power-on status settings, delete visitor records. Specifications: Model Number: DD1 Display: 2.8 inch LCD Screen LCD Resolution: 320*240p Camera Pixels: 0.3MP IR Lights: 2pcs, 850nm Memory: Built-in cyclic storage power supply: DC 1.5V AAA batteries * 4 (not included) Door thickness: 35mm-110mm Mounting Hole Size: 14-22mm Host Size: 12.7 * 6.9 * 1.8cm / 5 * 2.71 * 0.70in Host weight (without batteries): 67g / 2.34oz Peephole size: 5.8 * 1.3cm / 2.28 * 0.51in Package size: Approx. 14.4 * 11.2 * 6.9cm / 5.67 * 4.41 * 2.71in Weight: approx. 235g / 8.27oz Package includes: 1*Indoor Host 1*Peephole Camera 1*Screw Bag 1*Bracket 1*User Manual(English/Chinese). We are an international seller who will ship your order from overseas, please at least a minimum of 14 working days for delivery from now due to ongoing worldwide shipping delays.