Description: Shell Material: Metal Protection: Shortage Protection, Overload Protection, Over Voltage Protection Widely used in Industrial automation, LED display, communications, etc. Safety Compliance: CCC/ FCC / CE Working Temperature: 0~40? Storage Temperature: -20~60? Ambient Humidity: 0~95% Non-Condensation Indoor use only! Specification: Input: 90-260V, 50/60Hz Output: 12V 12.5A Power: 150W Size: Approx. 160*98*50mm /6.3x3.86x1.97inch Package Includes: 1 x LED Light Regulate Driver Power Supply 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, 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)=2m