Function: 1. Touch panel: This wireless paging system uses a touch panel that is water and oil resistant. The touch controls are more accurate. 2. Very long distance: This restaurant pager supports a maximum connection distance of 546yd. 3. 2 Vibration Modes: This restaurant pager system provides 2 vibration modes (sound signal and flash), providing great convenience. 4. 5. 16 pagers: This wireless calling system controls 16 pagers and can easily add up to 998 pagers. Specification: Article type: wireless calling system Material: plastic, elektronika Host: Input power: DC12V1A Transmission frequency: 433,92 MHz Standby current: 50m Emission current: 200mA Broadcasting power: 23dBM Modulation mode: OK Number of pagers: 16 Number of pagers: 998 Button mode: touch button Pager: Working voltage: 3,7 V150 mAh lithium battery Reception frequency: 433,92 MHz Standby current: 10mA Emergency current: 90mA Reception sensitivity: -108dBM Standby time: 15h Transmission distance: 500 meters Remember the way: beep/flash Reminder duration: 1 to 999 seconds Battery type: Built-in 150 mAh lithium battery Applicable voltage: from 100 to 240 V List of packages: 1 x Host 1 x Power Plug 16 x Pagers 1 x User Manual