A. 99 Hours Timing: Free setting of unlocking time, up to 99 hours and 59 minutes. After the timing is finished, the lock ring will open automatically. B. Metal Body: The lock body is made of metal, with sharp edges and smooth surfaces, and enhanced textured metal lock. It offers durability and security. C. Easy to Operate: Small LCD with white backlight, displaying the unlock time softly and clearly. 3 small buttons to set hours or minutes, easy to use. D. Super Standby Time: Universal USB micro-USB rechargeable, max standby time can reach up to 500 hours once fully charged. E. Widely Use: Lock up addictive objects such as cigarettes, cell phones or snacks. Suitable for kitchens, gyms, schools. F. Battery Capacity: 3.7V/200mAh G. Standby time: 500 hours H. Material: Metal I. Colour: Black J. Package Contents: 1 x Time lock. Only the above package content, other products are not included. K. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.