Specification Brand : Acouto BulletPoint1 : [ Durability] Crafted from top-notch materials for long-lasting performance. BulletPoint2 : [Comprehensive Set] Comes with all necessary components for a seamless user experience. BulletPoint3 : [Versatile Application] Suitable for motorcycles and cars, providing universal usage. BulletPoint4 : [Complete and Easy to Use] Joint specifications ensure convenient usage for accurate results. BulletPoint5 : [Quick and Accurate Readings] Easily set up on your vehicles to obtain precise measurements in no time. ExternallyAssignedProductIdentifier : 5018341090371 FitType : Universal GpsrSafetyAttestation : 1 IncludedComponents : Laser 9037 Digital Compression Tester - Petrol ItemName : Gasoline Engine Compression Tester, Comes with Multiple Adapters and Pressure Tubes for Various Cylinder Sizes, Ideal for Detecting Engine Issues and Compression Pressure. ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 37 centimeters ItemPackageDimensions_Width : 32 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-stethoscopes Manufacturer : Acouto Material : multi ModelName : Acoutocehy4ap3s7 ModelNumber : Acoutocehy4ap3s7 NumberOfItems : 1 PackageLevel : unit PartNumber : Acoutocehy4ap3s7 ProductDescription : Specifications: Case Color: Black Material: Copper Dual Gauge Readings: 0-300psi, 0-20bar (1bar=100kPa) Test Unit/Mode: bar, psi Special Function: Get Accurate Readings Pressure Gauge Diameter: 3in/75mm Pressure Gauge Height: 5.04in/128mm Adapters Thread Size: M10 * 1.0mm, * 1.25mm, * 1.25mm, * 1.5mm Hose Overall Length: 17.72in / 450mm Straight Line Pressure Tube Length: 5.9in / 150mm Angled Pressure Tube Length: 6.30in / 160mm Package Size: 29.5 * 21 * 5.5cm / 11.61 * 8.27 * 2.16in Package Weight: Approx. 1020g / 36.0oz Package List: 1 * Gasoline Compression Tester 1 * Hose 4 * Thread Adapters )M10, M12,,M18) 1 * Straight Line Pressure Pipe 1 * Angled Pressure Pipe 1 * Storage Case1 * English User Manual Usage: 1. Start the engine and run to the normal working temperature. After the engine stops running, unload all spark plugs; 2. Make the throttle fully opened and press the connection of the pressure gauge on the spark cold hole; 3. Motors drive the engine to rotate at 100-150R/MIN speeds for 3-5 seconds. At this point, the pointer on the instrument will gradually rise, but will stop at a certain value. At this time, the indicator value is the compression pressure of the cylinder; 4. Press the button to zero the pointer; 5. According to the steps, the measurement is repeated 2 to 3 times to improve the measurement accuracy;