Features:
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.