The
HS4900D Wireless Ceiling Alarm alarm mounts to the ceiling where it can detect motion within 360
degree circle up to 20 feet away. If motion is detected the unit will
emit a 110dB alarm or 90dB chime. When the alarm is activated by motion
after the entry delay the alarm will sound for 1 minute if no further
motion is detected.
This unit includes an remote controls that
operate up to 25' away from the alarm. It has a 30-45 second exit delay
and a 10 second entry delay. It operates on 3 "C" batteries which are
not included. The unit can also be powered by a 7.5-15 volt adapter
that is not included.