General description 100% Brand New and High Quality Passive device that requires power supply. It prevents video signal distortion caused by ground loops, eliminating tearing, crosstalk, and rolling. This isolator also prevents interference from power cables laid by others, ensuring a clear CCTV system. Technical specifications Insertion Loss: 0.5dB Frequency Response: 20Hz-10MHz (0~3dB) Coaxial Input/Output Resistance: 75 Ohm Ground Isolation: More than 90dB above 50Hz Isolation Voltage: DC 600V (Min) Insulation Resistance: 100M Ohm Transient Voltage Suppressors: 12Vrms Dimensions: 68 x 28 x 21 mm Color: Black Material: Plastic, Metal Compatibility and accessories Package includes: 8 x BNC Video Ground Loop Isolator 8 x English Installation Instructions Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.