Metal Body: The lock body is made of metal with sharp edges and a smooth surface with an enhanced textured metal lock. Durability and Security.99 Hours: The maximum time is 99 hours and 59 minutes. Set and lock after starting, it will automatically unlock and turn on when the time runs out. Please set the time reasonably and the operation is simple: the small LCD screen with backlight, the display unlocking time is soft and clear, and the 3 small buttons set the hour or minute, which is easy to use. Versatile: Metal time padlocks can lock addictive items such as cell phones, cigarettes, snacks, drinks, perfect for kitchens, schools, gyms, etc. It is small in size and lightweight, making it suitable for airports and travel. You can lock your important belongings at any time to protect your privacy. Improve sleep quality: reduce the time spent looking at your phone, go to bed early, improve sleep quality, enhance immunity, live a good life, control smoking: limit smoking, reduce the number of cigarettes you smoke each day, gradually extend the interval, and cultivate good living habitsPackage Contents: 1*White