Input Conditions: 100 to 240VAC 50/60Hz Input Voltage Range: 90 to 264VAC Input Rated Frequency: 50/60Hz Efficiency: 72% MinRated Output Power: 12W (or 15W, check note below) Size: 80x21x48mm Protection: OCP OVP SCP OPP Operation temperature: -10 to 60ºC Storage Temperature: -20 to 85ºC Note: this product can reach 15W output at 170-240VAC input, without problem. Tested from factory NON-WATERPROOF RESISTENT CE, ROHS