Features:*4CH digital wireless camera and DVR system,total digital wireless,no interference,no privacy leak.*7 inch TFT LCD monitor with integrated video recorder,external TF card slot for storage,max support 32G(not included).*Support 4 cameras/24 hours/7 days non-stop overwrite recording,multiple recording modes: manual,schedule and motion activated.*Consist of 4pcs weatherproof outdoor cameras with 50-100M transmission range(depending on local conditions),2pcs IR lamps,night-vision distance is up to 15m.*Total digital wireless,no interference,no privacy leak,simple installation and no cable required.