MP3 Speech Calling-number Display ST-978
Product Description
It is composed of ST-979T sending display, ST-979R receiving display, and number keypad.
Use high frequency wireless communication technology, and can realize 100 meters unobstructed communication.
Adopting IP address assignation can connect in series two hundred pieces of ST-979R receiving screens at the same time.
Built-in MP3 audio file, support any languages in the world.
Use the standard keyboard of PS2 interface, and the other keyboards with PS2 interface in the market are compatible.
Adopt high brightness red LED digital screen, standard display screen can display three digits at most.
Adopt black bar-like integration or combination aluminum alloy square cover, external form is beautiful and graceful.
Can select at will various LED display screens such as green, yellow, blue, and white. Customization is welcome.
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