Features: 7-inch LCD digital screen, waterproof camera, suitable for outdoor use. 4CH digital wireless camera, total digital wireless, no interference. Memory card recording, maximum support 32G card (this set contains 8G memory card). There is no need for wiring between the display and the camera. The 2.4Ghz frequency transmission screen is easy to install. Support single and 2-way simultaneous display and video/photo. If there is a wall in the middle, the monitor's monitoring range is about 10-20m. Applications: Warehouses, shopping malls, home security, child care and the elderly. Display Screen Specification: Model: 602D12 LED Size: 7 inches LED resolution: 800*480 Image resolution: 640*480 Receiver battery: standard Main features: monitoring, video Extended memory: Maximum support for 32G memory card (the set includes 8G memory card) Recording format: ASF (can be played directly, the computer needs to install the corresponding software to play) Single screen status: 640*480 @25FPS Four-picture status: 320*240 @25FPS Photo format: 640*480 JPG Power output: 5V/1A Working current: ≤400MA Working frequency: 2.4GISM digital public frequency band Camera Specification: Lens: 3.6mm Resolution: 800,000 pixels Viewing angle: 92 degrees Night vision distance: 2-4 meters Main function: infrared night vision monitoring Working frequency: 2.4G ISM digital public frequency band Working current: daytime: 300mA; nighttime: 700mA Maximum Power output: 5V/1A Receiver Size: Approx. 200 x 117 x 20mm / 7.9 x 4.6 x 0.8inch Weight: Approx. 1280g Package List: 2 x Infrared Camera 1 x Displayer 3 x Power Supply 3 x Antenna 2 x Screw Packs 1 x USB Cable 1 x 8G Memory Card . 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.