Specification
Commodity: 12V 2A 24W USB Variable Power Adapters with UK/EU/AU /U.S plugs
Model: JQ-24W-001 (Changeable  AC  Plug)
Range:5-25W
Rated Power: 24W
Input: 100-240V AC   47/63Hz
Optional Plug:US/EU/UK/AU
6  Variable Output Voltages(DC): 5-6-9-12-15-24-36V
Output Current( max.):3-3-2.5-2-1.6-1-0.6A 
Dimension: 92.8x46.5X41mm
N. W.:160g

Features:
LED monitor indicating output voltage setting
Reliable rotary voltage change switch & reverse polarity switch
Short-circuit & overload protection
Applications: Radios, calculators, cassette recorders, telephone recorders, mini computers, portable TV, keyboard, discman, printer and other battery-operated equipment
Especially use for personal stereos