Sikeo Universal Waterproof Digital Hour Meter Portable Engine Hour Meter Hour Meter for Motorcycle/Boat Engines Counter Hour Meter -- Waterproof LCD Display Digital Hour Meter Inductive Hour Meter Tachometer for Motorcycle Motorbike ATV Marine Engine Snowmobile Features: Brand new and high quality Track vehicle life - oil changes, valve oacute, adjustment, spark plugs etc. Easy to install Sk oacute ;handle and stick No battery needed - connect to spark plug wire Works on any gas engine Record and display for up to 9,999.9 hours Hourglass symbol appears and turns on/off to indicate counting time Automatic reversal Resolution: 0.1 hours 100% housing made of epoxy resin, resistant to water, shock and fire up to 85C; C Specification: Original Box: Yes Color: Black/Blue/Red Optional Item Size: 54*31*14mm Package Size: 176*101*15mm Net Weight: 62g Package Weight: 81g Packing Contents: 1 x Hour Meter 1 x Cable ;d 2 x screw