Battery-Free Luggage Scale, Suitcase Scale for Travel, 110 lbs/50 kg, Portable Handheld Weight Scale, No Batteries Needed

【BATTERY-FREE】Simple button push dynamo power, you can say goodbye to the battery to reduce carbon emissions. An environmentally friendly alternative to batteries. No dead or leaking batteries. The kinetic energy would be converted to electric power to get your luggage scale running.
【LARGE LCD & UNIQUE DESIGN】The scale has a large LCD display, making it easy to read even in low-light conditions. The weight readings are displayed in both kg and lb units, allowing you to choose your preferred unit.Large volume design is more suitable for hand control, product size: 14cm x 3.3cm x 5.4cm
【EASY TO USE】 Only quickly push the side button 4-5 times, long press the U/T button to convert the unit lb/kg. Accurate measurement, Unit conversion, Overload warning, Tare function so you never pay excess baggage fees again!