OUTPUT VOLTAGE ADJUSTMENT RANGE: 11-13 VDC USABLE POWER: 54 W INPUT VOLTAGE: 220 - 240 VAC FREQUENCY: 50 - 60 Hz OUTPUT CURRENT: 4.5 A OUTPUT VOLTAGE: 12 VDC SECURITY: - overvoltage protection - overload protection - short-circuit protection EFFICIENCY: 85% IP RATING: IP 20 WORKING TEMPERATURE: -20°C ~ +50°C DIMENSIONS: 92 x 58 x 53 mm