Smart NFC Passive Lock APP Remote Authorization Induction Smart Padlock $ 54.48 Product information: Size: 85*50 * 19MM Lock body material: zinc alloy Lock beam material: Alloy Steel Relative humidity: 10% to 85% Operating system: Android 9.0 or IOS8.0 or later Protection level: IP55 Waterproof grade: IPX5 Color: Black Temperature Range:-20to 65 Unlocking Method: APP unlocking, NFC bracelet unlocking Size: Packing list: Zinc alloy intelligent padlock * 1 Product Image: