Digital Photo Contact Tachometer,laser tachometer ,digital tachometer,photo tachometer,engine tachometer 6235B Digital Photo Contact Tachometer,laser tachometer ,digital tachometer,photo tachometer,engine tachometer 6235BDisplay: 5 digits, blue ... to 50(32 to 122)Size: 195×76×40mm 6235B Digital Contact Laser Tachometer