A soundproof diesel generator, used with clean maintenance and ready to go. Air-cooled switch start. Japanese design and Chinese manufacturing. 7.5kw net output. 60 cycles, specially made for the Saudi market, protects air conditioners from damage and all electrical appliances. Engine speed is 3600 RPM, which confirms it's 60 cycles, unlike some others on the market that are labeled 60 cycles but are actually only 50 cycles. Comes with an AVR (Automatic Voltage Regulator) to provide stable electricity and a longer lifespan for electrical appliances. Can run for 8 to 10 continuous hours, then needs a one-hour rest before being restarted.