KKmoon Mini Realtime SD Car Mobile DVR 4CH H.264 Video/Audio Input with Remote Controller Encrption for Car Security Surveillance No-seam recording technology. Support SD card (is not included) up to 32GB, more convenient and vibration-proof than hard disk version. Support four channel 4pin connector video and audio input, one channel AV connector video and audio output. Support IR remote control. Special design of encrption to protect recording files. Support wide range of voltage input from 8V to 36V.