· Jolt Switch USB in-line HDTV antenna amplifier – Gives you control in real time when managing TV signal reception without having to uninstall any part of your antenna setup· Amplifier measures 1"H x 1.9"W x 0.6"D; Perfect for indoor use in urban, suburban, and rural areas; Keeps a low profile for discreet or minimalist installations with simple ON / OFF switch· Turn ON for clear, enhanced reception, better picture and sound, sometimes tuning in channels beyond your antenna’s standard range; Turn OFF when amplification isn’t needed and still benefit from RF signal filtering· Each market has TV towers located in different areas; Distance to the towers and obstructions like trees and your home’s building materials will affect reception· Includes Jolt Switch TV antenna amplifier with attached 6 ft. USB cable and coaxial cable, USB power adapter, installation instructions; 90-day manufacturer warranty· Universal TV antenna amplifier - Connects directly to your TV for power or use included USB power adapter; Works with all TV antennas and TVs