1--display gas price ,time,temperature
2--RF remote control
3--digital module,is popular
4--7 segment

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1.waterproof digits module:1 digit=7 segment of the modules.The client can install the led digits sign by themselves in their

own requirement. Anyway, if the led sign has something wrong,the client can replace the segment module by themselves. It is
very easy and convenient. Also we can provide the installation and connecting drawing to our clients. Clients can follow it to
do easily. But the products that were made before can not like this, if the led sign has something wrong, we need to check the
whole sign, and change the program and the broken leds. It is not convenient.

2. The modules are With injection molding, using the Sealed silicone treatment, They can be waterproof by themselves. 

The products which were made before can not be waterproof totally.Because they used the PC board on the surface,

but the water can come into the inside of the led sign.

3.The brightness of the module:  14*12mil chip, brightness(4000MCD)---for red color.

Green/white/blue will be brighter.The angel of the led is 65 degree (the best).