This device requires 3 AA batteries, which are not included.
It does have on/off and a timer:
Set DART on floor. Ensure safe, level and stable surface.
Press "ON/OFF • SPEEDS" button to turn on. DART will run for 5 minutes on slow speed.
Press "ON/OFF • SPEEDS" button again to change speed to medium fast or variable.
The indicator light for the selected speed (slow, medium, fast or viable) will glow solid green.
Press "ON/OFF • SPEEDS" panel on top of DART a 5th time (after super-fast speed setting) to turn DART off.
DART will automatically turn off after 5 minutes, but can be set for 10, 15 or 20 minute time periods.
Press the timer button to change the time.
The indicator light below the selected time (5, 10, 15 or 20 minutes) will flash.
Press "ON/OFF • SPEEDS" button to turn off before selected time period has ended.
Nov 1, 2012