【Application】 : wind hydraulic generator suitable for powering standby lighting , charging , water power generator , testing , teaching 【Smooth Surface】 : The surface of the generator is smooth , rust-proof and has no obvious scratches 【Excellent Stability】 : wind hydraulic structure is firm , quiet and stable performance 【Long Lasting】 : Alternative power generators are materials , and long lasting 【Satisfactory Service】 : If you have questions , us , we will make you satisfied, Manufacturer: Watreketal