Metal Body: The lock body is made of metal with sharp edges and smooth surfaces, featuring an enhanced textured metal design for durability and security. 99 Hours: Maximum timing capacity is 99 hours and 59 minutes. Once set and activated, the lock will automatically unlock when the time expires. Please set the time appropriately. Easy Operation: Features a small LCD with backlight to clearly display the remaining time. Equipped with three simple buttons to set hours and minutes, making it user-friendly. Wide Usage: This metal time lock can secure personal items such as cell phones, cigarettes, snacks, and drinks. Ideal for use at home, school, gyms, kitchens, travel, and airports. Compact and lightweight, it helps protect your privacy by locking valuables securely. Improved Sleep Quality: Helps reduce screen time before bed, encouraging earlier sleep and better sleep quality. Supports healthy routines by limiting phone usage. Control Smoking: Assists in reducing daily cigarette consumption by setting time limits, helping to extend intervals between smoking and promoting healthier habits. Product from store.