Hyper Hourmeter

Digital Tachometer Display range: 0-20,000 RPMDisplay unit:100 RPMRPM input pulse setting range:0.5?1?1.5?2Total engine hour meter display range: 0.0-999.9/1,000-99,999HInternal battery type: CR 2032Battery life time (continuously):About 350HEffective temperature range -10-60 °CWater-Proof Standard JIS D 0203Size W48.5 X L32.6 X H17 mm