STROBOSCOPE, battery power, LED array
Model : DT-2199
* Stroboscope use high intensity LED array.
* LCD display with back light.
* Stroboscope range : 100 to 99,999 RPM.
* Power supply : Batteries, 1.5 V (UM-1, D) x 4 PCs.
* AC/DC adapter is optional.
