Applications : announce visitors, warn against burglars, set boundaries, for science projects, etc...
* Audible (85dB) and visible (LED) alert
* Range: 3.3ft to 13ft
* On/Off switch provided
* Power supply:
Transmitter: 9V DC / 50mA max.
Receiver: 9V DC / 20mA max.
* 9V battery holder and adapter jack included
* Transmitter: 2.2" x 1.6"
* Receiver: 3.9" x 2.0"
* Requires (2) 9V batteries (NOT included)
* NOT recommended for outdoor use