Guest Page Kit with 5 Coaster Pagers Plus Recharging Base 4-watt - low-band FM - 27 MHz transmitter has a range up to one mile- Can turn off all pagers with one button-Lights indicate paging status- Fast - easy installationCOASTER PAGERS:- Vibrates and flashes colored lights to let guest know when table is ready- Service button flashes lights in a different pattern - informing bar staff that a waitingguest would like service- Can be programmed on-site- Uses two AAA batteries (not included)- Special circuitry extends battery life- One-mile radius- Out-of-range indicator- Black