Switch Power Supply is available now from our US warehouse Free shipping to US in 3-6 business days Ship to Canada,Brazil in 7-10 days 110V-220V to 12V 24W Switch Power Supply for Strip Light Converter Description: Size: 8.5 x 5.7 x 3.3cm Input Voltage: 110V 220V 20% Output Voltage: 12V DC Output Current: 0~2.0A 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 / CE Working Temperature: 0~40 Storage Temperature: -20~60 Ambient Humidity: 0~95% Non-Condensation Only Supply ONE LED Strip IN-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 x 60LEDs/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 light