Description: 2.8 inch super bright LCD display screen, shows images or videos clearly and smoothly. 1.3 million pixel HD camera for HD picture capturing and video recording, timely and clearly photograph and record visitor information. 160 degree wide angle lens, which gives you a large field of vision to ensure maximum security home. 24 hours security monitoring, protect you and your family all day and night. Infrared instrument: Clear image during both day and night time, you can still see outside clearly in dark. Easy to install and operate, no special tools, saving time and effort and saving money. Specification: Material: ABS plastic Image sensor: 1.3 million pixels, Viewing angle: 160 degrees Zoom: 3x digital zoom, PIR motion detection Human body sensing Power supply: 1200Am lithium battery TF card: maximum support for 32GB (Not included) Hole diameter: Approx.15-60mm/0.59-2.36in Door plate thickness:Approx.40-100mm/1.57-3.94in Outdoor device Diameter: Approx.65mm/2.56in Indoor device: Approx.22x97x97mm/0.87x3.82x3.82in Package Includes: 2x Outdoor device 2x Indoor device 2x Metal Hanging Board 2x Bag Screws 2x Manual Note: 1. Please allow 1-3 mm error due to manual measurement. 2. Color might be slightly different due to the color calibration of each individual monitor.