Models: EI28, EI35, EI41, EI48, EI57, EI60, EI66, EI76 Specifications: 1.Input rating : 100~240 VAC 50/60Hz or 200~240 VAC 50Hz or 50/60Hz or 100~120 VAC 60Hz or 50/60Hz 2.Output rating : 6W to 40W Features 1. Universal input. 2. Operating temperature: 0℃ to 40℃ 3. Storage temperature: -20℃ to 80℃ 4. MTBF: more than 50,000 hours at full load and 25℃ ambient condition. 5. High efficiency 6. Short circuit protection (auto recovery) 7. Output valtage regulation: +/-5% of nominal output voltage 8. 100% burn-in test