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 status is controlled by CPU, which mostly increased its service life and helps to save the power consumption, improve work efficiency and lower the working noise. Functions ·BUzzer alarm . ·Convenient and high efficiency power converter that gives solution for AC power supply. ·Supplies pure sine wave while normal types mostly supply square or corrected sine wave. ·CE approved.