Square Metal Countdown Timer Traffic Light Features and Advantages Application – junction traffic signal counting Available in learning triggered or communicative version Ability to be synchronized with any traffic signal controller Wide operating voltage adapting to different countries Long-distance visibility-enhancing road safety High intensity LED light source – low energy consumption Long life cycle – more than 80,000 working hours An anti-corrosive coating on cold-rolled iron housing Industrial structural design with high reliability and durability Guide rail brackets installation optional Specifications Diameter 800*600mm 900*600mm 1100*600mm Digits 2 digits - max 99 2.5 digits - max 199 3 digits - max 999 Digit composition 7 LED segments/Digit (LED qty/segment R-28pcs, A-28pcs, G-25pcs) Color Bi-color (R/G), or tri-color (R/G/A-one digit only) LED Type 5mm DIP Color-Wavelength Red 620~630nm, Amber 590~594nm, Green 503~508nm Luminous Intensity R ≥...