2.8-inch LCD Display Video Doorbell Peephole Security Camera For Smart Home Alarm System Features: 2.8-inch super bright TFT LCD screen; 0. 3MP HD camera 125-degree wide angle, the observation is more sufficient, do not omit any dangerous dead angle Infrared night vision, support for taking pictures and videos by pressing the doorbell Maximum support 32G TF card, not included Specifications: Material: ABS Power Supply: 4x AAA Batteries(not include) Door Hole Diameter: 14-35mm Door Thickness: 35-100mm Size: Indoor Part Size: (L11.1 x W2 x H7.4)cm / (L4.3 x W0.8 x H2.9)" Outdoor Part Size: (L6.5 x W6.5)cm / (L2.55 x W2.55)" Package Included: 1 x Indoor Host 1 x Peephole Camera 1 x Metal Hanging Bar 1 x Bag of Board and Mounting Screws 1 x User Manual