Cordless Extra Large Signal Light Panel Provides Clear Transparent Forward - Left & Right Turn Signal Which Can be Seen From Far Away. the Cordless Remote Controller Can be Easily Mounted on Your Handlebar. for Extra Safety, Panel Features Built-in Accelerometer That Activates Brake Light with Sudden Deceleration. Works Similar to Car, No Button Needed. Elastic Rope Can be Used for Easy Attachment to Your Backpack Rucksack. Minimum Quantities Apply.