Newest Digital Laser Photo Tachometer Non Contact RPM Tach High Quality Digital Laser Tachometer Speed Gauge Hot Selling Specification: Products Properties: Material:Hard shell ABS plastic Mirror Length:L50 x W25mm Battery length:L44 x W25 x D16mm Item Type:Non Contact RPM Laser Photo Tachometer Net Size:L130 x W65mm Scan Diameter:17mm Use for:Measure the speed of lathe motors and machine Range: 2.5 to 99,999 RPM Package Content: 1 x New Digital Laser Photo Tachometer Non Contact RPM Tach(NOT INCLUDE BATTERY) 3 x approx. 75cm of reflective stripes 1 x Reflective paper