work temperature:-35_+45°C lifetime:50000-80000hours size:225*185*135mm weight: 2.3kg 1,high-pressure die-casting molding aluminum shell, high-strength tempered glass enclosures.Can be effedtively hear,water-proof and dust-proof. 2,the lamp adopts precision electronic components,a unique multiple-chip to integrate single lighting group design,accurate constant current source,they light on by lines,and no influence between two lines,which ensure best lighting effect. 3,the first integration of the radiator shell and lamp design ,led losely connected directly with the shell,shell heat through convection cooling and air wing ,and fully guarantee the led flood light life of 50000hours,in accordance with the work of 12 hours per day basis,its life expectancy is more than 10 years ,very low maintenance costs. 4,No adverse alare,no strobe ,the elimination of nonperforming ordinary flood light glare caused by glare,visual fatigue and line fo sight interference,improve dreving safety. 5,to start with out delay,that is up to the normal brightness of electricity ,without having to wait for the elimination of the traditional flood light to start the process of long-term. 6,NON-Polluting green:No lead,mercy and other pollution elements,there is no pollution to the environment.