CE, FCC, ROHS approved. G sensor function. Playback based on recording mode, Free CMS ... and stability with an embedded processor and operating system, which combines video and audio compressions,GPS,black box,mass storage ... 230(W)*63(H)mm(with holder)Product Weight1.9KG(without HDD)PackageEach in a box, 10set/CantonBox Size252(L ... (Without HDD) 4 channel full D1 CCTV DVR with G sensor function.