12W PSE AC/DC Adapter for POS Terminal, Measuring 82 x 43 x 31mm, with CE, EMC Approvals Key Specifications ... protection Environmental requirement: Operating temperature: -10 to 50°C Storage temperature: -10 to 50°C Operating humidity: 5% RH (0?) to 90 ... : black 12W PSE AC/DC Adapter for POS Terminal, Measuring 82 x 43 x 31mm, with CE, EMC Approvals