HL-2003-201 This power supply is special design for external computer accessories. It supply +12V, total output power is 18W. The power supply have O.V.P. and short protection. Specifications: AC input voltage: 90-254VAC AC input frequency: 47/63Hz AC input current: 2A Max@110Vac Maximum inrush current: 20A Max.@110Vac input (25℃ cold start) 40A Max.@220Vac input (25℃ cold start) Line regulation:± 1% Load regulation:± 1% Efficiency: 70% minimum at full load Hold up time:10msec Operation temperature: 0 ℃ to +30 ℃ (full load) Storage temperature: -20 ℃ to +85 ℃ Size: 133(L)x55(W)x26(H)mm