Posted by a reviewer on Amazon

Amazon is stepping up its bad habit of lumping same manufacturer product reviews together

Posted by a reviewer on Amazon

You can choose to hear a beep or a wailing alarm or just see a red light flashing when activated

Posted by a reviewer on Amazon

In reading those reviews it seems most had problems with the range of the unit

Posted by a reviewer on Amazon

Ok you folks with the onoff problems got a bum unit

Posted by a reviewer on Amazon

If you selected off only the red light will flash

Posted by a reviewer on Amazon

You cannot change options during an alarm cycle

Posted by a reviewer on Amazon

When you come in from your garage with the door still open but coming down you want to hear the beep or alarm that tells you the unit is functioning correctly

Posted by a reviewer on Amazon

Next cut the power to the opener either by pulling the plug or throwing the breaker for the circuit its on