or house, the kit beeps continuously. Powered by a 9V battery. ( A miniature 2 1/4 in. speaker included )
Applications : burglar alarm, visitor chime,... (NOTE: not suitable for metallic doors)
Hangs on the door knob of any wooden or pvc door. When
a visitor or burglar touches the door knob from outside the room
or house, the kit beeps
continuously. Powered by a 9V battery.
( A miniature 2 1/4 in. speaker included )
Applications : burglar alarm, visitor chime,... (NOTE:
not suitable for metallic doors)
