ΔΙΑΣΤΑΣΕΙΣ:36x76x15ΒΑΡΟΣ:40grIt is required to equip 12V DC power supply.12V AC to power vehicles, vehicle battery free cannot be fitted. To prevent meter malfunctions, spark plugs are available always incorporate resistors register type.Also, as far as possible from Plug / Plug cordEngine type(measurable) Two-cycle 1/2/3/4 cylinder, four-cycle 1/2/3/4/5/6/8 cylinderDisplayUpdate time / approx. 0.6 seconds (times) With range / 100-19, 990 rpm (depending on the number of cylinders) maximum rotation number memory Precision two-stroke / [+-] 10 rpm, four-stroke [+-] 20 rpm Biodegradable / 10 rpm increments 24-Hour clock / watch Updating time / about 1 second (time)PowerINTERNAL BACKUP /ML2430 RECHARGEABLE LITHIUM BATTERY (3 V COIN)Weight (g)About 40 (only main part)Dimension (mm)(MAIN BODY) H36xW76 x D14.5Set ItemsSpeedometer console, pickup Center (TypeA/B set) tachometer joint cable (800 mm), external power supply code electro taps, (30 mm x 50 mm) Velcro tape and instruction manual