1. USB lithium battery charging. The lock body has a small display and buttons to increase the hours and minutes. The maximum time is 99 hours and 59 minutes.<br> 2. Horizontal and vertical tensile force (destructive pulling) 130KG 3rd level anti-fall (maximum level 1 and minimum level 5)<br> 3. Waterproof grade four, prevent outdoor rain and splashing;<br> 4. Use 4 hours a day, 30 days of battery life with one charge<br> 5. After 1200 times of charging and discharging the battery, the battery capacity drops by 15%; after 3000 times, each charge can only last for three and a half hours.<br> size:46 x 40 x 20mm<br> Wire rope length 90mm; diameter 2.5mm<br> Wire rope head diameter: 4mm<br> Material:ABS+metal<br> colour:black<br> Package Contents:<br> 2 x lock<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.