Feature: 1. Touch Panel: This wireless calling system adopts touch panel, which is resistant to water and oil. Touch control is more accurate. 2. Super Long Distance: This restaurant pager supports maximum 546yd connection distance. 3. 2 Working Mode: This restaurant pager system provides 2 working modes(Beep and Flash), providing great convenience. 4. Wide Application: This pager system is widely used in fast food restaurants, food courts, pizza parlors, churches and auto shops or other places. 5. 16 Pagers: This wireless calling system controls 16pcs pagers, and you can easily add up to 998 pagers. Specification: Item Type: Wireless Calling System Material: Plastic, Electronic The Host: Transmission Frequency: 433.92MHz Standby Current: 50m Emission Current: 200mA Transmitting Power: +23dBM Modulation Mode: OOK Number of Charging Pagers: 16 Number of Pagers: 998 Button Mode: Touch Button The Pager: Receiving Frequency: 433.92MHz Standby Current: 10mA Alarm Current: 90mA Reception Sensitivity: -108dBM Standby Time: 15h Transmission Distance: 500 Meters Remind Way: Beep/Flash Reminder Duration: 1 to 999 Seconds Battery Type: Inbuilt Li Battery 250mAh. Package List: 1 x Host1 x Power Plug16 x Pagers1 x User Manual1 x Antenna