LED traffic signals business since 1996 CNS Compliant LED Vehicle Traffic Signals CNS Product Dimensions LED Vehicle Count Down Meter Features / Benefits Specifications ■ The count down display can recognize the every change, no matter how change the input signal & flash ways are. The count down display can automatically record its cycle and show on the count down display ■ If only the black wire is connected with the common line of signal lanterns, the other wires can be connected freely. Count down display can record and display automatically the color of lamp and all kind of flash ■ The maximum number of two digits is 99 seconds. If the countdown time is set exceeding 99 seconds, the signal will not show the digit until it counts 99 seconds ■ Operating temperature range: -20℃ to +70℃ Model Number 450(18) ■ Color: red LED for red light and green LED for green light ■ UV stabilized scratch resistant shell ■ Fuse and transient suppressor incorporated for line and load protection Color Operating Voltage Range ( VAC ) Frequency (Hz) Power Factor Power Consumption ( Watt ) ( Typ. ) Dominant Wavelength ( nm ) ( Typ. ) Display Red 100 ~ 240 50 ~ 60 > 0.9 < 50 622 2 digits Amber 100 ~ 240 50 ~ 60 > 0.9 < 50 500 2 digits Traffic Signals TR-CC0101 ■ Moisture and dust ingress: IP54 810(32) Unit: mm (inch) 47