Product functions and features 1.PC housing,aluminum housing and cold-rolled steel housing for option. 2.waterproof,dust proof,anti-lightning and surge protection,anti-vibration and long lifespan. 3.The core circuit adopts SCM,the countdown timer can run stably by adopting“Independent Clock Watchdog"software and anti-disturbing measures of the hardware. 4.Modular design,easy for maintenance and replacement. 5.Comply with GAT508-2014 and relevant international standards. 6.Working modes:Learning type,communication type and trigger type,which can be compatible based on the requirements from the customers. Technical Parameters Diameter Model Color Light Intensity Wavelength Power Input Voltage 600mm*800mm DJS-820-III - Red ＞5000cd/㎡ 625±5nm ≤11W 12V/24VDC AC85-265V 50/60Hz Green ＞5000cd/㎡ 505±5nm ≤12W Yellow ＞5000cd/㎡ 590±5nm ≤12W Working Temperature -40℃～+80℃ Outside Material Cold-rolled Steel or Aluminum More Photos of traffic countdown timer Our Exhabition Process of Produce traffic light FAQ Q1: What is your traffic countdown timer range? A: Two digit 600x800 mm Traffic Countdown Timer timing range 1-99s Q2: What’s diameter for traffic countdown timer? A: 200mm,300mm,400mm,400x600mm,600x800mm,accept customized Q3: Do you test all your traffic signal light before delivery? A: Yes, we have 100% test before delivery,all traffic signal light use aging test 72hours before package. Q4: Why traffic countdown timer ,many customer chose aluminum housing? A: The aluminum sunshade avoids direct sunlight to affect the color of light. The high-temperature electrostatic powder spraying process is adopted, which is not rusty and not easy to oxidize. The material is resistant to high temperature, severe cold, deformation, aging, waterproof and moisture-proof. Q5: How can you become to our traffic light agent or Exclusive Agent? A:  firstly we need check in your country whether have our agent or not.      If need become our exclusive agent,we have good policy for our agent about payment,tech support,if you need know more,pls contact us.