Description: This is a professional home security system which comes with a mini HD outside cat eye peepers and LCD inside screen, so you can timely and clearly know the visitor information. 480x320P HD and 120° wide viewing monitor, protect you and your family. It will play an important role in household security. Features: HD Cat Eye Peepers: Provides up to 480x320P image resolution, allows HD display, timely and clearly know visitor information. 120 degrees super wide viewing angle provides you a further viewing vision. 3.5 inches LCD Color Display Screen, with HD resolution of 480 x 320p. Door Bell: Mini outdoor cat eye peepers, protect your family. Portable and Simple Design: The outdoor cat eye peepers is made of high quality zinc alloy, the indoor mainframe with beautiful coating plastic cover, so light and slim, easy to install. Specifications: Color: Silver + Black Screen Size: 3.5'' LCD Resolution: 480x320P Visual Angle: 120 ° Power Supply: 4 x AAA Batteries (NOT Included.) Applicable Door Hole: 14 ~ 28mm / 0.55 ~ 1.10in Applicable Door Thickness: 40 ~ 100mm / 1.6 ~ 3.9in Indoor Part Size: Approx. 115 x 62 x 20mm/ 4.5 x 2.4 x 0.8in Outdoor Part Size: Approx. 32 x 32 x 8mm/ 1.3 x 1.3 x 0.3in Package Size: Approx. 150 x 140 x 45mm / 5.9 x 5.5 x 1.8in Package Weight: 202g Package List: 1 x Indoor Mainframe 1 x Outdoor Cat Eye Peepers 3 x Screws (L/ M/ S) 1 x User Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .