This mobile phone storage cabinet is made of cold-rolled steel plate,which is fire-proof,moisture-proof,rain-proof and durable. Fast Charging：Experience high charging efficiency with quicker speeds than the standard charger,ensuring your phone is always ready for use during emergencies. Easy to Use：Simply plug in and switch on the power for instant use without the need for any additional setup. A detailed manual is also provided for easy setup. Advanced Protection：Features multiple protection functions including over-voltage,over-current,short circuit protection,and low EMI to safeguard your phone during charging. Versatile Application：Ideal for a variety of environments such as stores,hotels,schools,warehouses,offices,factories,mobile phone repair shops,beauty salons,fitness clubs,and restaurants.