Led Countdown Timer Traffic Light 1.ISO&CE certified factory direct sell 2.save powder 3.long guarantee 4.favorable ... circuit,stable and reliable.3.Shell adopts die-pressing aluminum-plastic,exquisite processing,beautiful appearance,light weight, never rust, ... 50Hz; Insulation resistance≥500MΩ;dielectric strength :Voltage 1500V AC 3.Light performance:Luminous intensity ≥4000cd/m2,Chroma:R628nm,Y590 nm ...