With very efficiency power conversion, strong power output, low power consumption, environmentally. Use Japan Sanken transistor. Included 4 way output power source function and display screen. The display screen have four contents:1year/month/day; 2hour/minutes/seconds; 3the mains voltage (+-2V); 4the amplifier inside temperature. Such as, DC fault, temperature protection, under voltage protection, overload protection, pressure limit. Channel: […]