The Personal Pager emits a chime and vibration alert when the transmitter is pressed. Select from over 50 tones/sounds. The Personal Pager is battery operated, completely wireless and very compact. Adaptivation offers a switch input version (PP-CH/VBS) which has been adapted to allow access by most available switches. Accepts standard 1/8" (3.5mm] plugs). The pager has a range of 100 feet. Multiple transmitters can be paired with multiple receivers. Not approved to be used as a nurse-call. Two AAA batteries included with the switch input version. The Standard version does not include AAA batteries. Buy the bundle and save.