Description: Intput Voltage:AC 85-265 V Output Voltage:DC 48 V Power:150 W Current:3 A Shell 
 Material: Metal case / Aluminum base Protection: Shortage Protection,  Overload Protection,  Over Voltage Protection Widely 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-Condensation Indoor use only,  Not suggest to use in bathroom CERo Hs! Note: 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,  & each LED 0.2W,  then calculate max LED Strip Length: 0.2W/LED60LEDs/m=12W/m,  24W (this listing)12W/m=2m,  So,  Support the LED Strip (60LEDs/m,  0.2W/LED) Length (Max)=2m Package Included:1 x Switch Power Supply Driver For LED Strip