RANGE UP TO .5 MILES ALERTS WITH LIGHT and SOUND WHEN VEHICLES OR PEDESTRIANS APPROACH PERFECT FOR HOME, BUSINESS, PROPERTY and WORKSITE EASY INSTALLATION EASY OPERATION WEATHERPROOF OUTDOOR SENSORS WITH ADJUSTABLE SENSITIVITY CONTROL ADD-ON …
Chamberlain
Portable enough for a pocket purse or backpackGreat for bikers walkers and latch-key kidsVersatile 3-button designWorks with ALL Chamberlain openers from 1993 to present (any Chamberlain opener with Safety Sensors)Secure coded signal cannot be hacked LED notification light signals activation and helps with programmingEasy push-button programming sets up in minutesIncludes …