1.THD less than 3% 2.With CE RoHS EMC LVD ISO9001:2000 3.Full protection with 3 years guara PRODUCT FEATURES:·Featured with high reliability and low failure rate by using the advanced Double-CPU single chip intellectual control technology.·Pure sine wave output.·Small, light and artistic, benefited from adopting the SMD pastern technology.·Cooling fan is intellectual controlled, and its working ...