Image HDMI Surge Protector - Protection Against ESD/Power Surge/Lightning/EFT Protection Designed for protect the HDMI device that against with the static discharge, lighting surge, electrical fast transient burst.Solid-state silicon-avalanche technology It is all active at all TMDS/DDC/HPD and CEC channels of connected HDMI signals;Support HDCP. Offer solutions for noise, space and security concerns, data center control, information distribution, conference room presentation, school and corporate training environments. It can do final defense for ESD and Lighting Surge.Installs in minutes;No Need Power Adaptor Package include: 1 x HDMI Surge Protector; 1 x Manual; 1 x Ground Wire; 2 x Ground Screw