Features ♦ 100-277VAC(50/60HZ) Input. ♦ High effiency, High PF, THD<15%, current accuracy:+/-3% ♦ Isolated. Hipot 4KV. Surge tes > 6KV (can raise to 10,000V). ♦ Short circurt, Over load, Over current, Over temperature protection. ♦ Transformer copper wire of grande F, temperature resistance 155°C ♦ Cooling by free air convection. ♦ 100 full load burn - in test. ♦ Independent, constant voltage type. ♦ Degree of protection IP67 waterproof. ♦ TUV-CE ,UL ,SAA ,CCC certification. ♦ Suitable for Led strip light, tape light, cabinet light etc.