Chain spreader for installation with 1" operator shaft & 1" door shaft.
Includes 2 shaft collars and set screws.
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
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
Allows wireless door activation without the need to run additional wires to easily change existing door configurations from hardwired push plates to touchless door actuators.
Microwave doppler technology allows for consistent and reliable detection.