alpha Racing Wireless Vibration Hour Meter BMW S1000RR, no battery and wire required, with partial counter reset, total hours without reset, 2 grades of sensitivity, waterproofed housing IP68, lasts 5 years or max 99999 hours, resolution 0,1 hour, 5-digits LCD. Wireless vibration hour meter, no battery and wire required, with partial counter reset, total hours without reset, 2 grades of sensitivity, waterproofed housing IP68, lasts 5 years or max 99999 hours, resolution 0,1 hour, 5-digits LCD. Weight: 0.06 KG