Sturdy Construction: Durable zinc alloy and stainless steel construction. It is better to take care of your belongings. Safe and Convenient: 4-digit combination password means 10,000 unique combinations, which is difficult for thieves to crack. Remember passwords, keyless locks - worry-free when you leave your keys at home or elsewhere. Resettable: 4-digit combination designed to easily set and reset your own favorite combination. Dimensions: length 4.61 x width 2.54 x thickness 1.4 cm / 117 x 64.4 x 14.5 mm. The diameter of the locking beam is 7 mm. Humanized Design: Portable, combined with a side window for easy viewing. Retractable Lock Bar Design: Wide range of use, multi-level adjustable, new upgrade, say goodbye to the wrong password change. (Adding the wrong panel to avoid misoperation resulting in wrong password). Wide Usage: Suitable for most light duty such as school, gym lockers, sports lockers, fences, toolboxes, boxes, cabinets, luggage, campus, toolboxes, storage, gyms,