Shell Material: Metal case / Aluminum baseProtection: Shortage Protection， Overload Protection， Over Voltage ProtectionWidely used in Industrial automation， LED display， communications， etc.Safety Compliance: CCC/ FCC / CEWorking Temperature: 0~40℃Storage Temperature: -20~60℃Ambient Humidity: 0~95% Non-CondensationIN-DOOR USE ONLY!This Power Supply Unit "DOES NOT" come with installation instruction， wiring cable， on/off switch， or screws. Professional installation of qualified electrician is highly recommended.How to calculate Support max LED Strip Length:Assumption: Your LED Strip 60LEDs/m， and each LED 0.2W， then calculate max LED Strip Length: 0.2W/LED × 60LEDs/m=12W/m， 24W(this listing)÷12W/m=2m， So， Support the LED Strip(60LEDs/m， 0.2W/LED) Length (Max)=2mlightSpecification: Type(Output Voltage，Output Current， Wattage) Size Intput Voltage5V 6A 30W 110mm*78mm*35mm 85-265VPackage Included:1 x Switch Power Supply Driver For LED Strip