Hand Crank Dynamo Mini Hand Crank Energy Dynamo Motor Wind Hydraulic Generator Features: ã Long Lastingã : Alternative power generators are made of high quality materials, durable and long lasting. ã Excellent Stabilityã : Emergency wind hydraulic structure is firm, quiet and stable performance. ã Smooth Surfaceã : The surface of the generator is smooth, rust-proof and has no obvious scratches. ã Applicationã : wind hydraulic generator suitable for powering standby lighting, charging, water power generator, testing, teaching, etc. ã Satisfactory Serviceã : If you have questions,contact us,we will make you satisfied. Specification: Motor output voltage: 5V-24V Peak output current exceeds: 1500mA Peak load power: 20 watts The motor weighs approximately: 300 grams Package Includes: 1 Pcs Wind hydraulic generator. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you buy. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!