· This AC/DC adapter can apply to most appliances which the input voltage is between 3V and 12V and the rating power is equal to or less than 12 Watt.· AC Input: 100V 120V-240V 50/60Hz, Output: Multi Voltage DC 3V 4.5V 5V 6V 7.5V 9V 12V 1000mA Max(compatible with less than 1 A, like 100ma 200ma 500ma 800ma amps etc.).· This power supply is with 8 different size adapter plugs which fit for your electronics well and solve your various problems. 8 DC Tips Spec.: 2.5*0.7mm 3.0*1.1mm 3.5*1.35mm 4.0*1.7mm 4.8*1.7mm 5.5*2.1mm 5.5*2.5mm 3.5mm mono. Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility.· Important Note: The adapter DC plug polarity is center positive "+". Please ensure it is same with your devices before buying. This adapter connector Polarity is Inner Positive and Outer Negative, and it can not reverse the polarity. Also please enssure your device's rating power and current are less than 12W and 1A before using.· Package Included: 1 x Power adapter, 1 x DC plugs kit, 1 x switch key, 1 x manual, 1 x 12-month global warranty.· This adapter doesn't fit for all small electronics, please check carefully the input specification of your device before bidding. In the following cases, please choose an adapter with other specifications. 1. Power > 12W. 2. Amp > 1A. 3. Polarity or port size mismatch.