Robust protection against theft - High-strength alloy steel construction provides durable protection to deter theft and keep your bike safer when parked. Keyless security with strong access control - 4-digit password system delivers convenient keyless operation and enhanced security, helping you lock and unlock quickly with confidence. Surface protection and wear resistance - ABS material cover shields your bike from scratches and damage where the device makes contact, preserving the finish during use. Portable and space-saving design - Foldable and compact, this lock / shield is easy to carry and store, making safety on the go practical for trips, commutes, and short stops. 2-3 practical use scenarios - Daily commute or errands: park your bike briefly at work, a cafe, or campus, secure it with the 4-digit lock and rest easy while you take care of tasks. - Travel and sightseeing: fold it compactly to fit in a bag or backpack, then deploy to secure your bike during breaks or overnight stays. - Busy urban areas or events: use the protective cover and sturdy alloy steel construction to deter theft and prevent scratches in crowded spaces. Key attributes - Material: high-strength alloy steel; ABS cover - Security: 4-digit password system for keyless operation - Protection: robust theft deterrence with durable construction - Portability: foldable and compact for easy transport and storage