Easy to install, and can be used to protect the data transmission of signal controlling system, such as: computer communication system, CCTV system, access control system, FS system etc. Avoid the devices from damages of the lightning overvoltage, electostatic discharge,or induced overvoltage. Design with the signal ground connection terminal block wire to protect the your devices work well Description Report Item 1. Description: Easy to install, and can be used to protect the data transmission of signal controlling system, such as: computer communication system, CCTV system, access control system, FS system etc. Avoid the devices from damages of the lightning overvoltage, electostatic discharge,or induced overvoltage. Design with the signal ground connection terminal block wire to protect the your devices work well 2. Features: Large discharge current capacity, multi-level protection, swift response speed and small insertion loss. 3. Technical Parameters: Specification: Single Channel DC 12V Power Surge Protector Functional Protection: 12V DC Power Material: Aluminium Alloy Connector Type: 2Pin Insert Loss: 0.3dB Response Time: <0.5ns Working Temperature: -60 Degree - +190 Degree Max Discharge Current: 10KA Work Voltage: 12V Limite Voltage: 18V Color: As Shown Package Contents: 1*Power Surge Protector Only the above package content, other products are not included. Note: Light reflection 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.