United Scientific Led Stroboscope

This unique hand-held stroboscope was made possible by the development of high-power LEDs. The 30W Super-LED delivers bright flashes at adjustable rates from 1 Hz to 250 Hz, ideal for the motion rates encountered in lab situations. Features magnetic pads on back for attaching to vertical steel surfaces. Specifications: Display modes: Frequency (Hz or RPM) Frequency range: 1.0 - 250.0 Hz; 1 - 15,000 RPM Frequency resolution: 0.1 Hz; 1 RPM Frequency adjustment modes:      Frequency doubling (X2)      Frequency halving (÷2)      Incremental by 0.1 Hz/1 RPM (+, -) Bulb Power: 30 W LED Dimensions: 18cm x 6cm x 4cm Batteries: Four “AAA” (not included) Battery life: 3 hours continuous use