Bellman Visit Flash Portable Receiver

The Bellman Visit portable receiver alerts you with individual lights and sounds when an in-use transmitter is triggered. This easy-to-use receiver is completely wireless so you can bring it anywhere throughout your home. May be used with up to four transmitters of the same kind. For example, you may have up to four door transmitters and the receiver will show you exactly which door needs your attention.  Features Loud sound up to 93dB Intense flashing lights alert you to events Battery lasts up to 3 years Includes a port for an optional bed shaker Specs Size: 5.1" x 6.5" x 1.4" Weight: 21oz Approximate operating range (unobstructed): 100 feet  2-year manufacturer's warranty Batteries: 4x C Alkaline  What's in the Box? Receiver Batteries Transmitters SOLD SEPARATELY Video   Documentation Instructional Video