Easy to use. No wiring, just put 2 AAA batteries (included) in the receiver, switch on.The pager will ring and vibrate and flash when press the call button. Choose vibration and 0dB volume(5 Volume Levels from 0dB-110dB), only wake up the night shift caregiver, and not disturb others.
The battery receiver is portable,bring it with you everywhere by keeping it in pocket/bag or attach it with the included belt clip.
The transmitter/Call Button is Waterproof and Easy Carry, can be put in pocket or hang on neck with lanyard(included).The operate range is 260ft in OPEN area. Indoors operation range: 50+ feet.CR2016 battery included.
Customize and Expandable. Each wireless portable receiver can work with 50pcs call buttons,each transmitter can pair with 50pcs receivers and be set to different or same music.