>The main technical indicators

◆Display: 4 (or 5) 8 "or 12" high brightness LED digital tube, is made up of special highlight light-emitting diodes (leds)
◆The input signal: current loop input interface
◆The length of the transmission：≤1Km
◆The use of temperature：-10~65℃ Relative humidity :40℃(20~80)%RH
◆Power supply：AC220 V 50Hz
◆Power consumption:about 40VA
◆Installation dimensions：765x305x100(Wide x high x deep)four sit eight"
1000x415x100(Wide x high x deep)four sit twelve"
Note: the dimensions shown above is four, digits different width are also different