Specification Brand : Gugxiom BulletPoint1 : TECHNICAL PARAMETERS: Pulse engine tachometer timing range from 1 minute to 99999(Minimum minute), 1% accuracy, use in the measurement of up to 8 cylinders(rotation speed RPM) of 2 stroke or 4 stroke fuel or gasoline engines, engine working timing accumulation time BulletPoint2 : BATTERY POWERED:Small engine pulse tachometer support LCD display, low voltage design, built in battery () power supply mode, inductive design, and BulletPoint3 : ENERGY SAVING AND POWER SAVING: When the gasoline engine is not working, the tachometer will automatically save energy and power, and automatically turn off display; when the gasoline engine is working, the tachometer will automatically start the test, convenient and practical BulletPoint4 : A VARIETY OF MEASUREMENT METHODS: After one end of the electronic wire is installed on the electronic watch casing, use a metal clip to clamp on the spark plug wire sheath for inductive measurement, the electronic wire is bundled on the spark plug wire sheath and wound for a few times to sense and measure, handheld tachometer measure 3cm to 5cm near the sheath of the spark plug wire BulletPoint5 : APPLICABLE SCENARIO: Digital induction tachometer is suitable for gasoline, engines, chainsaws, lawnmowers, gliders, motorcycles, automobiles, karts, engineering vehicles, snowmobiles, ATVs, motor boats, grinders, generators, vibration machine mechanical equipment and so on ItemName : Handheld Digital Chainsaw Tachometer Tach Gauge, 2 Stroke 4 Stroke LCD Display Tach Gauge in Minutes, Small Digital Engine Tachometer for Lawnmower Chain Saw ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : industrial-tachometers Manufacturer : Gugxiom ModelName : Gugxiom7iw3r1q9cn ModelNumber : Gugxiom7iw3r1q9cn PartNumber : Gugxiom7iw3r1q9cn ProductDescription : 1. TECHNICAL PARAMETERS: Pulse engine tachometer timing range from 1 minute to 99999(Minimum minute), 1% accuracy, use in the measurement of up to 8 cylinders(rotation speed RPM) of 2 stroke or 4 stroke fuel or gasoline engines, engine working timing accumulation time 2. BATTERY POWERED:Small engine pulse tachometer support LCD display, low voltage design, built in battery () power supply mode, inductive design, and 3. ENERGY SAVING AND POWER SAVING: When the gasoline engine is not working, the tachometer will automatically save energy and power, and automatically turn off display; when the gasoline engine is working, the tachometer will automatically start the test, convenient and practical 4. A VARIETY OF MEASUREMENT METHODS: After one end of the electronic wire is installed on the electronic watch casing, use a metal clip to clamp on the spark plug wire sheath for inductive measurement, the electronic wire is bundled on the spark plug wire sheath and wound for a few times to sense and measure, handheld tachometer measure 3cm to 5cm near the sheath of the spark plug wire 5. APPLICABLE SCENARIO: Digital induction tachometer is suitable for gasoline, engines, chainsaws, lawnmowers, gliders, motorcycles, automobiles, karts, engineering vehicles, snowmobiles, ATVs, motor boats, grinders, generators, vibration machine mechanical equipment and so on