Feature:1. 30 Levels Volume: 50 paging buzzer system has 30 levels CNC volume, the volume can be adjusted according to your needs.2. RF Wireless Technology: Restaurant pager systems adopts radio frequency wireless technology, the system is stable, and the wireless receiving distance is long.3. Wide Application:Pager systems are widely used in homes, hotels, bars, restaurants, factories, workshops, tea houses, bowling alleys, etc.4. Beautiful Practical: Restaurant pager systems has a fashionable appearance, is easy to move, and can display the time, month, day.5. Micro Processing Chip: Wireless calling system adopts advanced micro processing chip to make the performance stable and reliable.Specification:Item Type: Restaurant Pager SystemsMaterial: ABSDisplay Receiver Parameters:Operating Frequency:433.92MHzWorking Voltage: DC5VWorking Current: