About this item Easy Operate: Samll LCD with backlight, display the unlock time soft and clear, 3 small buttons to set hours or minutes, easy to use. Improved Sleep Quality: Reduce the time of looking at mobile phones, fall asleep early, improve sleep quality, enhance immunity, and live a good life, Control smoking: limit smoking, reduce the number of cigarettes per day, gradually extend the interval, and cultivate good living habits Widely Use: The metal time padlock can LOCK Up Addical Objects, SUCH As Cell Phone, Cigarettes, Snacks, Drinks, Greatly Perfect For Kitchen, School, GYMS, ETC. With A Compact Size, it's Light Tweight and Suitable for Airport and Travel. You can lock your imageant items at any time to guard your privacy. 99 Hours: The maximum time is 99 hours and 59 minutes. Lock once you setting and starting it, after time run out it will unlock and open automatically. Please set the time reasonably Super Standby Time: universal usb rechargeable, max standby time can reach up 500hours once full charge. See more product details Easy Operate: Samll LCD with backlight, display the unlock time soft and clear, 3 small buttons to set hours or minutes, easy to use. Improved Sleep Quality: Reduce the time of looking at mobile phones, fall asleep early, improve sleep quality, enhance immunity, and live a good life, Control smoking: limit smoking, reduce the number of cigarettes per day, gradually extend the interval, and cultivate good living habits Widely Use: The metal time padlock can lock up addictive objects, such as cell phone, cigarettes, snacks, drinks, greatly perfect for kitchen, school, gyms , etc. With a compact size, it's lightweight and suitable for airport and travel. You can lock your important items at any time to guard your privacy. 99 Hours: The maximum time is 99 hours and 59 minutes. Lock once you setting and starting it, after time run out it will unlock and open automatically. Please set the time reasonably Super Standby Time: universal usb rechargeable, max standby time can reach up 500hours once full charge.