Solar street lighting Input voltage/frequency range Ac 85~265v/50-60hz; dc 24~48v Lamp's efficiency (%) >85% Color index(cri) >ra80 Workingtemperature - 40¡ãc to + 55 ¡ãc Certificate Ce & rohs & fcc & iso; (ul with driver) Workinglife > 50, 000hrs Color temperature 2700k~7000k Iprate Ip 65 Warranty 2 years for 72w led street light Thd