Long Lasting: Alternative power generators are made of high quality materials, and long lasting. Excellent Stability: Emergency wind hydraulic structure is firm, quiet and stable performance. Smooth : The of the generator is smooth, rust-proof and has no obvious scratches. Application: wind hydraulic generator suitable for powering standby lighting, charging, generator, testing, teaching, etc. Motor output voltage: 5V-24V output current exceeds: 1500mA load power: 20 watts colour: silver Material: metal Package Contents: 2 x Wind Hydraulic Generator 2 x handle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.