Anytek USB Charging Waterproof Anti-theft Non-password Electrically Intelligent Fingerprint Padlock Size:3.2cm × 3.5cm × 9cm1. The product is charged by USB. Please fully charge the product for the first time. 2. It is unlocked by fingerprint, which is safer and more convenient. 3. You can use it in any situations. Specification: General Types Security Lock Package Weight One Package Weight 0. 23kgs 0. 50lb One Package Size 1. 6cm * 3. 4cm * 9. 1cm 0. 63inch * 1. 34inch * 3. 58inch Qty per Carton 60 Carton Weight 14. 70kgs 32. 41lb Carton Size 13cm * 12cm * 14cm 5. 12inch