Keyless Convenient Lock: Never worry about forgetting to bring your key because it's in your brain and you have the combination! Easily set and reset your combination. Perfect back-to-school, graduation, birthday gift Keep your bike safe: Smart 4-digit resettable cable lock, made of high-strength braided steel wire and rust-proof zinc alloy, strong resistance to cutting. PVC coating helps the cable lock be more durable in harsh environments Suitable for any occasion: 2.6 feet (80 cm) long, long enough to lock 2-3 bicycles together. The lock is used for bicycles, motorcycles, skateboards, strollers, luggage, grills, fences, sports equipment, ladders, iron sliding doors and other items you want to protect Weatherproof: The bicycle lock cable is made of waterproof material and is suitable for any outdoor locking scene. Don't worry about the bicycle chain being rusted and corroded by rain Friendly reminder: This cable lock is used as a basic measure to prevent theft. Never lock your bicycle outside. Especially in areas with a high loss rate. No bicycle lock is foolproof