Handheld Manual Electricity DC Crank Generator Mini Fan Science Experiment Model KitThe product is shipped based on the color or size of the main image of the product page.Handheld Manual Electricity DC Crank Generator Mini Fan Science Experiment Model KitSpecification:Material: ABS Material ialNo-Load Max . Output Voltage: 5VMax. Output Current: 0.2AStorage Method: Well-ventilated, dry, indoor temperature preservation Note: Please don't overexert in order to avoid damage of the geers, 2 rounds per second is recommended. Features:- Handheld elect ricity generator can create power without batteries- Simply shake the handle, make the fan rotates and also create a DC electricity which can be connected to electrical circuits via binding posts.- Made with a clear plastic casing, students can clearly see the motor, gears and wiring.- This grip style handle generator allows connection to electrical circuits. Screw out the miniature light bulb, can be used with almost any experiment requiring up to 5 volts DC. - This science kit is perfect for demonstrating the energy transformed from mechan ical to electrical .Package Included:1 x Handheld Crank Generator Fan Kit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.