Features:7-inch LCD digital screen, waterproof camera, suitable for outdoor use.4CH digital wireless camera, total digital wireless, no interference.SD 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 wifi transmission screen is easy to install.Support single and 4-way simultaneous display and video/photo.Multiple recording modes, you can take photos manually, also automatically record or photographt when there are moving objects.If there is a wall in the middle, the monitor's monitoring range is about 30-100m.Applications: Warehouses, shopping malls, home security, child care and the elderly.Display Screen Specification:Model: 602D13LED Size: 7 inchesLED resolution: 800*480Image resolution: 640*480Receiver battery: standardMain features: monitoring, video, motion detectionExtended 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 @25FPSFour-picture status: 320*240 @25FPSPhoto format: 640*480 JPGPower input: 100-240 50/60HzPower output: 5V/1AWorking current: 400MAWorking frequency: 2.4GISM digital public frequency bandCamera Specification:Lens: 3.6mmResolution: 800,000 pixelsViewing angle: 92 degreesNight vision distance: 2-4 metersMain function: infrared night vision monitoringWorking frequency: 2.4G ISM digital public frequency bandWorking current: daytime: 250mA; nighttime: 450mA MAXPower input: 100-240 50/60HzPower output: 5V/1AReceiver Size: Approx. 200*117*20mm / 7.9 x 4.6 x 0.8inchVoltage: 110-220VOptional Power Plug: AU Plug, UK Plug, EU Plug, US PlugWeight: Approx. 1580gPackage List:3 * Infrared Camera1 * Displayer4 * Power Supply4 * Antenna 3 * Screw Packs1 * USB Cable1 * 8G Memory Card.