Specifications:? Condition: Brand new? Handlebar Length: 12.8cm? Handlebar inner diameter: 2.2cm? Input voltage: 12V? Power (adjustable): 12-24W? Temperature: 40¡æ-70¡æ? Switch Type: 4 choices? Suitable for : 12V Motorcycle、 and handlebar inner diameter is 2.2cm? Connect the red wire to positive pole、 the black to negative pole. The temperature can not be adjusted if the wire connected wrong.¡¡Package Includes ¡ñ 1 Pair Warm Handlebar