DECIBEL SOUND METER (A weighted - FAST response) Category_Kidney Belts attach the corresponding wires to

attach the corresponding wires to the back of the socket as marked on the back of the socket

High-density foam to reduce rider injury

Suits races with 30-68mm diameter

Adjustable elastic strap can replace the arms for a more secure fit Interchangeable lens colour option so you can change the lens colour to best suit riding conditions

DECIBEL SOUND METER (A weighted - FAST response) Category_Kidney Belts attach the corresponding wires toThe Whites Decibel Sound Meter accurately measures the decibel rating of your motorcycle, ensuring it doesn't exceed maximum legal decibel ratings. Display: LCD Structure: ABS engineering plastic housing Range: 30~130dB Resolution: 0. 1dB Accuracy: 1. 5dB MAX display mode: Yes MIN display mode: Yes 20 minute auto power off Backlight: Yes Low voltage alarm Power supply: 9V battery (6F22 6LR61) Working current: <25mA