Specification Brand : gernie BulletPoint1 : Accurate Measurement: The product can accurately monitor and measure the speed of motors, fans and other equipment, helping you effectively control the operating status of the equipment. BulletPoint2 : Package Including: The packing list 1 x contact tachometer, 2 x batteries, 3 x adapters, 1 x extension rod, 1 x accessory BulletPoint3 : High Resolution: Linear speed measuring instrument provides accurate measurements with a resolution of 0.1rpm 0.5‑.9rpm and 1rpm 1000‑19999rpm for reliable results. BulletPoint4 : Long Battery Life: Digital tachometer equipped with 2pcs 1.5V AAA batteries with 1200mAh capacity for extended usage and performance. BulletPoint5 : High Resolution: With a resolution of 0.1rpm 0.5‑.9rpm and 1rpm 1000‑19999rpm, this tachometer provides accurate and reliable measurements. The 0.8s sampling time ensures efficient operation. The backlight design enables clear and easy readings, even in low light conditions. This function enhances usability, providing for a better user experience and increased efficiency. ExteriorFinish : Machined ExternallyAssignedProductIdentifier : 7903692392367 FitType : Universal IncludedComponents : No ItemName : Contact Tachometer Line Speed Revolution Gauge Speed Meter RPM Meter for Gm8906, Tachometers ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-tachometers Manufacturer : gernie ModelName : gernie24r1gwk7xc ModelNumber : gernie24r1gwk7xc NumberOfItems : 1 PartNumber : gernie24r1gwk7xc ProductDescription : 1. Efficient Speed Measurement: The contact type rotation speed meter accurately measures speeds from 0.5 to 19999rpm, ensuring readings, and suitable for various applications. 2. High Resolution: With a resolution of 0.1rpm (0.5?.9rpm) and 1rpm (1000?19999rpm), this tachometer provides accurate and reliable measurements. The 0.8s sampling time ensures efficient operation. 3. Easy to Use: Designed with user convenience in mind, this speed meter features a simple interface and intuitive control. Simply point the device at the rotating object and get speed readings. 4. ABS Material: Made from excellent ABS material, this rotation speed meter is and built to last. It operates in a wide temperature range of 0?50? and with a humidity range of 10%?90%RH. 5. Long Battery Life: Equipped with 2pcs 1.5V AAA batteries, with 1200mAh large capacity, this tachometer ensures long lasting performance, saving you the trouble of purchasing additional batteries.