waterproof thin led mini board message sign

hello
i'm looking to buy an existiing product that can be transform to fit my application
i'm aware of the cost of creating a product from the beginning
i can't waist time and money for that

this product must exist somewhere
there are so many different mini led board message


specifications

the board must show one word at a time,speed not needed
10 letters max
very thin and light
usb connection for programming the words
you must see the word at 20 meters
waterproof
multicolor words
Color: Red, Blue, Yellow, Green, White
12 V only


size must go around 20 cm long
and 8/10 cm high

please be kind to send me any kind of product you find
that look like

once i'll find the right product, i will propose it for my application and many order will opfully follow

i trust in this project

thank you