1. 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. 2. Metal Body: The lock body is made of metal with sharp edges and smooth surfaces, and an enhanced textured metal lock, providing durability and security. 3. Easy Operation: Small LCD with white backlight displays the unlock time softly and clearly, and 3 small buttons are used to set hours or minutes for easy use. 4. Super Standby Time: Universal USB micro-USB rechargeable, with a maximum standby time of up to 500 hours once fully charged. 5. Widely Use: Lock up addictive objects such as cigarettes, cell phones or snacks. Suitable for kitchens, gyms, schools. 6. Battery Capacity: 3.7V/200mah 7. Standby time: 500 hours 8. Material: metal 9. colour: Silver 10. Package Contents: 1 x Time lock. Only the above package content, other products are not included. 11. 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.