Thank you for viewing! This product will be shipped within 24 hours of purchase. Perfect for those in a hurry. 【Product Description】 This is a digital tachometer that can measure the engine speed of motorcycles, chainsaws, automobiles, outboard motors, construction machinery, and more. It supports both 2-stroke and 4-stroke engines, making it widely applicable. (Diesel engines are not supported) Installation is easy, just wrap it around the spark plug wire! In addition to the engine speed, it also has an operating time display (hour meter) function. Its compact size means it doesn't take up much space, allowing it to be installed in various locations. With IP67 dustproof and waterproof performance, you can drive with peace of mind even on rainy days. 【Product Specifications】 Measurement Range ・RPM: 0 to 9999rpm ・Time: 9999.9 hours Measurement Patterns ①. 2 ignitions per 1 revolution ②. 1 ignition per 1 revolution ③. 1 ignition per 2 revolutions Size: 73.5mm x 46.7mm x 20mm Cable Length: 150cm Weight: Approximately 70g Built-in battery Contents ・Main unit ・Tie wraps ・Instruction manual (English) 【Notes】 Due to being an imported product, there may be minor scratches or dirt. We ship using eco-friendly packaging for environmental considerations.