Retekess TD105 wireless calling system is compatible with all of Retekess push call buttons. You could match it according to the style you want. 

5 keys in all:

MENU, up, down, DEL, Back

4 holes in all: Audio, Audio, Siren, Power

Retekess TD105 display receiver functions:

FN-1: transmitter pairing 
FN-2: pair manager controller
FN-3: delete manager controller
FN-4: deletes code date
FN-5: voice mode setting
FN-6: key mode setting
FN-7: display cycled time setting
FN-8: auto clears time setting
FN-9: volume adjustment setting
FN-10: working mode setting
FN-11: restore factory default setting
FN-12: order display setting
FN-13: time setting

Features:

Appearance: All black, can be placed directly on the desktop, or can be installed on the wall 

Comes with 8W high-fidelity speakers, and can be connected to an external speaker with an audio adapter cable 

With a button battery, no time will be lost after power off, no additional settings are required 

Can be used with 433 call button pager and launch keyboard for call services and call scenes 

Can be used with 3 pairs of launch keyboards at the same time. It is suitable for multi-window call numbers and meal taking scene

Partition settings can be made to set up 6 areas to meet different needs.

4 groups of call numbers can be displayed, and 7 different voice call prompts 

The controller can be set to facilitate wall-mounted operation.

Applications:

Restaurant, bank, clinic, hospital, cafe, beer garden, club, bar. In the places where need call or queue. 

If you want to know more, Let us check the details of it:

1, Appearance: All black, can be placed directly on the desktop, or can be installed on the wall.

2, Material, used good PC, oil-proof and dustproof. you can use it in the kitchen

3, HIFI speaker, clear voice with 15 levels of volume, you can set it on the FN-9 setting page. If you are in the kitchen, you can put the volume in high level, or in the

clinic.

4, Built-in button battery, no time will be lost after power off, no additional settings are required.

5, RF wireless and learning code technology with long-range. You can use it in a large area.

6, Show 4 call records in the display.

7, Another useful feature of Retekess TD105:

2 working mode when connecting with keypad and call button. You can connect 999 channels with a keypad, and set 6 areas when using the call button each area with

Max adds 99 buttons. It also means that you can use it in different applications, the keypad can be used in the kitchen, a chef can call waiters or call customers to get

food directly.

If you connect with a keypad:

set FN-6: key mode setting to 05 and FN-10: working mode setting to 00 first then pair

If you connect with the call button

set FN-6: key mode setting to 02(1 or 2 keys on the wireless call button ) or 04(3 or 4 keys on the call button) 

and FN-10: working mode setting to 01 or 02. 01 means you can set 6 areas, each area Max  add 99 call button, 02 means you can choose suffix to A: service  B: call  C:

check out 

8, work with a keypad, there are 7 different voice call prompts on the FN-5 setting page:

a number X call

b, x floor call

c. pleasure X come in

d, pleasure number X trade

e, pleasure number X pick food

f, dingdong