1、[Noise Reduction] With this restaurant pager system, waiters don't need to keep calling names or numbers for guests to pick up or tell them they're about to serve, suitable for noisy places. 2、[3 Reminder Modes] Buzzer, vibration and flashing 3 modes, beep can be heard even in noisy restaurant, customers can turn off the sound reminder, suitable for quiet environment in clinic or hospital. 3、[Large Range] The longest distance is 1000m in an unobstructed environment, reducing crowd gathering and providing better safety protection measures for your employees and customers. 4、[Waterproof] Waterproof and oil proof touch keyboard, suitable for wet environments such as kitchens, food trucks, etc, multi keyboards can call the same pager, support one key to turn off all pagers in the charging slot. 5、[Applicable Scenarios] This paging system is suitable for fast food restaurants, cafes, pizzerias, banks, factories, shopping malls, food courts, clinics, exam centers or other queuing scenarios. Item Type: Wireless Pager System Material: ABS Buzzer Receiver: 16pcs Effective Range: Approx. 1000m/3280.8ft (Open Area) Battery: Built in Li Ion Battery, 200mAh Buzzer Receiver Usage Time: ≥20H Mode: FLASH, BEEP, Vibrate Application: Suitable for fast food restaurants, cafes, pizzerias, banks, factories, shopping malls, entertainment centers, food courts, clinics, churches, auto shops, test centers or other queuing scenarios 1 x Wireless Pager 16 x Buzzer Receiver 1 x Power Adapter 1 x Manual