Key features
4 keys remote controller is for color-red/green/yellow/blue buttons.
When press different color key button, related color receiver will send out BBB warning sound and LED light, different color receivers can be hung on different articles or keys.
And remote controller is also designed with Braille number, it is also can be used for the blind and the old.
Remote control use 27A/12V battery/ receiver useCR2032 3V button battery.
Product color mainly is for rice/black color
It is a good electronic product and promotion gift for personal use or at home.
New technology products will bring you new life way!
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