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 high-quality metal, sharp edges and surfaces, enhanced textured metal lock. Durability and security. Easy Operation: Small LCD with white backlight, displays the unlock time soft and clear, 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 on 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 Colour: Black Package Contents: 1 x Time lock. Only the above package content, others are not included. Note: Light and different displays may cause the color of the item to appear a little different from the real one. The measurement allowed is +/- 1-3cm.