Restaurant coffee shop hospital pick up queue call machine Small allele large volume wireless call display plug and play

This queuing machine is small in size, large display numbers, large volume, and takes up little space. It is very suitable for restaurants, coffee shops, hospitals and other scenarios that need to call the number below 50 square meters.

Product name: Digital screen calling machine
Signal distance: 20 meters
Applicable frequency band: 315MHz/433MHz
Input power: 100-240V
Product size: 200*200*50mm
Display: digital tube display
Output power: Keyboard 9V1A
Built-in speaker: 10 watt speaker *2
Built-in voice: visit, dining, picking up, handling, voice and display can be customized