Specification:
First:outdoor using need high brightness,without enclosure.
Second:
1 Led high of character4red led digital display
2 Power wire length 1.5M
3 Remote control:infrared remote control
4 wo pulse signal input
Third: function requirement
1 Use two buttons can input two pulse signal, have one add+ and minus_
2 Operation can be operated by push button,remote control can set value
3 When power cut,it has keep memory function.
Fourth:technical criteria
1 Operational environment temperature -1050,relative humidity 0-95%.