Compatible with Security+ systems with Amber learn button including Chamberlain Sears Craftsman and Raynor code rolling residential openers (Safety Signal) manuifactured 1997-2005
Visor clip and Lithium battery included (part #CR2032)
Knob selection of operating mode (6 functions):
A - delay on operate
B - symmetrical recycler OFF first
B2 - symmetrical recycler ON first
C - signal ON/OFF delay
D - delay on release
E - interval