The SL2 is a hard wired safety light which takes its 12v power from the bikes own electrical system. It fully complies with the FIM safety light regulations.
The SL2 does NOT have a switch. It will need to be wired into a switch of your choice (usually bar mounted). A switch is provided with the unit.
The SL3 is a hard wired unit that HAS a switch on the side of the unit.
Please see our other listing for the SL1 which is a stand alone rechargeable unit.
(The SL2 is the same BUT DOES NOT HAVE THE SWITCH ON THE SIDE)