SAM And SAL lights are color changing lights designed for swimmimg pools. The SAM light is used for pools and the SAL is designed for Spas. To operate them you turn them off and on quicklu while they are in the on position. this sends a signal to the unit to cause them to start changing colors. After the light gets to the desired color you switch off the light wait 2 seconds and turn back on. they will remain that colo until you decide you want to change using method described above. in order to syncronize a pool and a spa light just do step above with both the pool and spa switch at the same time. Below are the diffrent colors they produce.
White > Light Green > Green > Cyan > Blue > Lavender > Magenta > Light Magenta