Long Range Pager Digital Coaster 2.0 Paging System, Restaurant Pager Coaster Style System,Red LED Lights (Set of 30) Includes AAA rechargeable battery: Premium Battery to give the best battery life possible - Lasts up to 48 hours on a single charge using a single rechargeable AAA Rechargeable battery. Fully recharged within 6-8 hours and designed to be used all day. Easy to change battery. Multiple Alert Options: Bright LED lights, Strong Vibration, and Beep are all setting are programmable to match your needs. Long Range Equipment up to 2 Miles in range. Water and Shock Resistant Pagers Branding Section: Add your Logo or Advertisement on the pager. Built Tough: Pagers are built to withstand thousands of drops and falls. Anti-theft & Auto-locate minimizes pager loss.