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. Metal Body: The lock body is made of metal, with sharp edges and surfaces, enhanced textured metal lock for durability and security. Easy Operation: Small LCD with white backlight, displays unlock time clearly. 3 small buttons to set hours or minutes, easy to use. Super Standby Time: Universal USB rechargeable, max standby time can reach up to 500 hours after full charge. Widely Use: Lock up addictive objects such as cigarettes, cell phones or snacks. Suitable for kitchens, gyms, schools. Battery Capacity: 3.7V/200mAh; Standby Time: 500 hours; Material: Metal; Color: As shown in the picture. Package Contents: 1 x Time Lock. Only the above package content, other items are not included. Note: Light and different displays may cause the color of the item to be a little different from the real one. The measurement allowed error is +/- 1-3cm.