1,4CH H. 264 standalone DVR Recorder 2,With total 100fps ... , mouse, backup, burning, upgradeStrong Network server, support IE review and CMS(can manager over 500 units DVR)With Chinese, Russian, English ... USB burnVideo Input8channel, BNC, 1.0Vp-p,75ΩVideo Output1 channel, BNC, 1.0Vp-p,75Ω and 1 VGA outputAudio Input1 channel ,RCA ... x 220mm x 45mm(W*D*H)Weight3.5kg 4CH cms h.264 dvr(SA-2004V)