Product DD1 2.8 inch TFT LCD Screen Digital Doorbell 0.3MP IR Night Vision Electronic Door Peephole Camera Viewer Door Bell Feature: -2.8 inch TFT LCD. -Infrared night vision, doorbell sound, camera function. -Built-in memory, circular storage, no need to insert memroy card. -Minimalist design, easy to use. -HD camera lens 0.3MP professional security camera, wide angle. -90 degrees, long standby. Specification: Appearance color: gold, silver Screen size: 2.8 inch Resolution screen size: 320*240 Storage mode: 4MB built-in memory (75 photos), full coverage and automatic coverage, circular storage Battery: 4x1.5V AAA (not included) Pixel camera size: 0.3MP Infrared light: 2x 850nMaterial: ABS engineering plastic Viewing angle: 90 Applicable door hole diameter: 14-22mm / 0.55-0.87 Thickness Applicable door width: 35-120mm/1.38-4.72 Product size: Indoor unit: 127x68x13mm/5.00x2.68x0.51 Outdoor unit: diameter 58x13mm/2.28x0.51 Working environment: 20~55C Note: 1. There may be slight size deviations due to manual measurement, different measurement methods and tools. 2. The The picture may not reflect the actual color of the item due to photography light, different display angle and monitor. package list 1 X Outdoor Doorbell 1 X Indoor Unit 1 X Metal Plate 3 X Screws 1 X Manual Sold by Briday store