Product Description
Wireless Tachometer / Pack Size:1Rotary 9073, Foley/PLP 186-059, Prime Line 7-05952, ESF 186-059, Foley/Belsaw 5955481, Green Meadow MT1082, Oregon 42-423, JThomas JT-1180, Laser 97393, Napa 7-05952, Sunbelt B1SB9073, EG/F1 9206880 Just hold built in antenna near spark plug, Selector switch gives 0-5000 RPM low scale or 0-15000 RPM high scale, A hand held precision instrument, Accurately determines RPM on 2-cycle and 4-cycle , single cylinder engines, Solid state electronics, No direct connection required/wireless, Battery NOT included