Call system for restaurants at factory price wireless communication system in line 16 tons for candy and coffee shop food truck

Wireless calling system for restaurants at factory price - Queue alert system with 16 alert bells for coffee shops, sweets shops, and food trucks 1. The pager can ring, vibrate, or flash 2. The distance between the transmitter and receiver reaches about 300 meters in an open area 3. 6-month warranty 4. The electrical voltage is 110V - 230V 5. This price includes one transmitter and 16 call devices 6. Call device size: 106*51*11 mm 7. Keyboard size: 228*151*30 mm 8. Material: ABS 9. Frequency: 433 MHz 10. Power: Input: AC 110-240V, 50/60Hz; Output: DC 12V, 1A 11. Call device battery: Built-in rechargeable lithium battery with 3.7V voltage and 150mAh capacity 12. One transmitter can be equipped with up to 98 call devices One set black: one set One set white: This page contains product performance data, which was measured in a laboratory environment. Actual values may vary due to product usage time and environment