If you’ve ever woken up in the
morning to find that you’ve left the
overhead garage door open all
night, you could use a garage door
monitor system ($30). There are two
components: a sensor that you fasten
to the garage door with doublesided
tape and a monitor that you
can place anywhere inside your
home. When the door is up, the battery-
powered sensor sends a signal
to the monitor, which then flashes a
red light. Garage door monitors are
available at some hardware stores
and home centers. You can buy the
model shown here at www.amazon.
com (search for “Chamberlain
garage door monitor”).
