2.64 Inches

【BATTERY-FREE】All power from you. This luggage scale have been designed with an advanced Auto-Power Generation System .It was an amazing technology that protect the environment safely. 【EXCELLENT DEAIGN】This bathroom weight scale is not only environmentally friendly but also benefit our daily life. It can reduce the risk of children swallowing batteries and risk of chemical leakage. 【FREE USING ANYTIME】When you are in a hurry to pack up and go to the airport, you find that your baggage scale runs out of battery power.Our baggage scale can solve this kind of embarrassing because its self-generating power system can be used without a battery.