Features
1. 999 channels keypad call buttons, each system is expandable up to 999 pagers.
2. Beautiful and fashionable designing, small and light.
3. Stable signal, transmitting distance is about 80m in the open area.
4. Simple operation, when the order is ready, press the keypad to call the number, the customer will get it through the buzzer/vibration/LED indications.
5. Three prompt modes: vibration, buzzer, vibration+buzzer(eath mode is accompanied by the LED flashing).
6. Applicable to a variety of occasions: fast food restaurant, food court, hospital, auto shop, cafe.
7. Receiver frequency: 433.92MHz.
8. Receiver sensitivity: -107dBm.
9. Keypad call button frequency: 433.92MHz.
10. Working voltage: DC 5V/6A.

Packing List
1 x Call Button Keypad with Charging Slots
1 x Power Adaptor
1 x Antenna
1 x English Manual
20 x Receiver