elcPark 110V AC to DC 12V 2A 24W Power Supply Adapter for SMD 5050 3528 LED Strip String Lights AC-Adapter: US wall plug Input: 100-240V AC; Output: DC 12V 2A Package include: 1 x 12V 2A AC to DC power adapter 1 x 5.5/2.1mm DC female barrel connector. Efficiency of power conversion: 85% Working Temperature: -20-50Celsius,Low Noise; Less Heat