Parameter Description Display color Red / Amber Working hourSystem voltage 12.0VDC Solar PV moduleBatteryPower consumption 4watt max. Aspect diameter 300 mm Dusk to Dawn operationLED viewing angle 23degree (as per NHAI standard ) Lamp intensity(Centre Lux) Greater than 330 cd (as per NHAI standard) IP protection IP54 (as per NHAI standard) Visibility Greater than 500 meters LED wavelength Amber 590+-5 nm Red 625+-5 nm Autonomy 4days Charge controller methodology Three stage battery charge monitoring algorithm LED driver efficiency Greater than 90 percent LED driver methodology Dual PWM dc-dc buck converter Ideal current consumption Less than 2 ma Protection Short circuit protectiono Battery over charge protectiono Battery Deep discharge protectiono PV reverse voltage polarity protectiono Battery reverse voltage polarity protection o Software watchdog for LED over current Pole specs 75mm outer diameter 1.6 mm thickness MS powder coated yellow Cable, panel stand, blinker mounting accessories Pole Height 12feet System Weight 16kg approx.