?3 Indication Modes?-- Adopting 3 indication modes of vibration, bee cue, and light to make it suitable for different situations. ?1.5km Connection Distance?-- A built-in antenna enables pager to work normally within 1.5km from the base. ?Built-in Antenna?-- A built-in antenna creates a high sensitivity to enable base to call pagers clearly and correctly. ?Convenient for Customers?-- 999 Channels.A 999 channels base and 10 pieces of pagers help avoid the waiting of the client in the long queue to a great extent. ?Wireless Queuing System?-- Suitable for places where there are many guests waiting for service:fast food restaurants, food courts, pizzerias, churches and car shops or other places.