WOTOW 17.7" CCTV BNC Male to Female Coaxial Ground Loop Isolator For Audio/Video Built-in Video Balun Transceiver Black Product Name: Video Ground Loop Isolator; Insertion Loss: 0.5dB; Frequency Response: 20HZ-10MHZ, +0/-3dB; Input Resistance: 75 Ohm Output Resistance : 75 Ohm; Isolution Voltage: DC 600V (Min); Isolution Resistance: 100M ohm Transient Voltage Suppressor: 12V rms; Balun: X; Color: Black Cable Length: ~45cm/ 17.7"; Size(not include cable): 7.2 x 2.8 x 2.1cm/ 2.8" x 1.1" x 0.8" (L*W*T);Material : Plastic More Flexible Length with the Same Price