Retekess TD165 Pager System, Size:1 Keypad 20 Pagers Black clear sound with easy to

clear sound with easy to charge

The Astronomik MFR narrowband-emission line filters provide the best quality data

you get the highest quality possible

SVBONY SV188P 1

The same image taken with a Narrowband Emission Line filter will give you a perfect black background without any signal

Retekess TD165 Pager System, Size:1 Keypad 20 Pagers Black clear sound with easy toProduct Description How to use: Guest comes to the restaurant and makes an order. The waiter gives each guest a pager; every pager has a number, and notes down the number 2. When an order is ready, the waiter at the counter will press the number on the transmitter. The corresponding guest gets the wireless signal by his pager vibrating or LED flashing or sounding, then he knows the order is ready and goes to the counter to take his food Prompt mode 3