VS-VP-COASTER Regular Battery Operated’VS-VP-COASTERR Rechargable’Rechargable model requires charger-holder shown below. Illuminated coaster guest pager is designed for bar and lounge areas in restaurants. The hostess can page a guest when their table is ready while the guest rests his/her drink on the coaster itself. This pager will vibrate and flash (for use with Visiplex VS-2001GCVOICE only).