Description:Attached to a motorcycle helmet for warning effect which is quite obvious.8 LED (4 for red brake light， 2 for left turn signal， and 2 for right turn signal)Effectively preventing rear-end collisions and ensuring driver's safety12V Wireless transmitter included Voltage: 12VMaterial: PC Lens，ABS Housing Power Supply: AAA Battery(not included in package) Package Includes:1 x Motorcycle Helmet Light 1 x Transmitter