SODIAL(R) 8 Channel CCTV Video DVR BNC M/F 8 Road Surge Protector Arrester Product Name : Surge Protector;Type : BNC male to Female;Channel Quantity : 8 Channel Material : Aluminum;Color : Black, Silver Tone;Standard : GB/T18802.21-2004 / IEC61643-21:2000 Max. Working Voltage : 6V;Nominal Discharge Current (In) : 5KA;Bandeidth FG : 0.3-10m Wire Length : 28cm / 11";Body Dimension : 16.8 x 9.7 x 4cm / 6.6" x 3.8" x 1.6" (L*W*H);Color : Black