Check the listing for details. Home Lighting Permanent Magnet Generator Brushless Belt Diesel Engine 7000W. Condition: New. Listed at 229.99 USD. Model: 3500 (belt type) generator Rated speed: 2800-4000 rpm Voltage: 220v Power: 3500 (actual power 1000w) Function: can be used with light bulbs, not with home appliances The required speed per minute is 2800-4000 rpm, driven by a 3500W at least three horsepower diesel engine that can drive approximately ten 100 watt light bulbs Model: 5000 (belt type) generator Rated speed: 2800-4000 rpm Voltage: 220v Power: 5000 (actual power 1800w) Function: can be used with light bulbs, not with home appliances The required speed is 3000 to 4000 revolutions per minute, driven by a 5000W diesel engine with at least four horsepower, capable of driving approximately 17 100 watt light bulbs Model: 7000 (belt type) generator Rated speed: 2800-4000 rpm Voltage: 220v Power: 7000 (actual power 2200w) Function: can be used with light bulbs, not with home appliances The required speed is 3000 to 4000 revolutions per minute, driven by a 7000W diesel engine with at least four horsepower, capable of driving approximately 20 100 watt light bulbs