Description:
1.VCC,GND:DC5-80V power supply
2.MICRO USB:DC5V USB power supply
3.Button:ESP8266 reset button
4.Programmable LED:use GPO16 control
5.GPIO pin outlet port
6. The relay output
NC:Normally closed end, relay shorted with COM before snap-in, suspended after snap-in
COM:Public end
NO:the relay is suspended before the pick-up and shorted with COM after the pick-up
7. Power indicator LED

Package Type:
All goods will pack into cartons and wrapped full of waterproof tape before shipment.

We can accept customized package to meet different requirements:
1.Every item will separately pack into plastic bag,component,module can be packed in anti static bag.
2.Some fragile products such as the display screen can be packed in bubble bag.
3.Some large machines can be packed in wooden cases.
4.We can label JH code or client's code on package so that customers can check easily after receive goods.