No Keyhole, Anti-Pry Design：Eliminates traditional keyholes to prevent lock-picking and forced entry. The fully enclosed, waterproof, and dustproof casing prevents dirt buildup and jamming, making it perfect for harsh environments. Reliable Magnetic Key：Unlocks in just 0.2 seconds using a uniquely encoded magnetic key with a near-zero false-open rate (<0.01%). It comes with two waterproof and drop-resistant keys for backup or sharing, ensuring reliable access even in extreme conditions. Heavy-Duty Materials：Built with a high-strength zinc alloy body and an IP67 waterproof/dustproof coating. The 304 stainless steel shackle withstands up to 2 tons of cutting force and operates smoothly in temperatures ranging from -40°C to 80°C (-40°F to 176°F). Easy One-Handed Use：Simply tap the key to the lock to open it—no aiming or twisting required. Push the shackle down to lock it. It's fully operable with one hand, making it convenient even when you're wearing gloves or carrying heavy items. Versatile Application：Supports multiple mounting styles with customizable shackle lengths. It provides consistent security for gates, warehouses, toolboxes, bicycles, and more., Manufacturer: LuLobtg