and high quality With the common CAT5 UTP cable the perfect transmission effect is available, which is applicable in many situations, such as video surveillance or video session. 4-channel video transmission is also realized via 8-wick CAT5 UTP. NTSC, PAL, CCIR, and SECAM video formats Frequency response: DC to 8MHz CMRR: 60DB Impedance of the BNC: 75 ohms Impedance of RJ45S: 100 ohms Working Temperature: -10Celsius to + 70Celsius Storage Temperature: -30Celsius to + 70Celsius Dimension: 75 x 50 x 25 mm (excluding the BNC's) Package Content: 2 x video balun 2 x instruction manual 4 x screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.