99 Hours Timing: Freely set the unlocking time, up to 99 hours and 59 minutes. When the timing is completed, the lock ring will automatically open. Metal Body: The lock body is made of high-quality metal, sharp edges and smooth surfaces, enhanced textured metal lock. Durability and safety. Easy to Use: Small LCD with white backlight, softly and clearly displays the unlocking time, 3 small buttons to set hours or minutes, easy to use. Super Standby Time: Universal USB micro-USB rechargeable, Max Standby time can reach up to 500 hours after full charge. Wide Use: Lock addictive items such as cigarettes, mobile phones or snacks. Suitable for kitchens, gyms, schools. Battery capacity: 3.7V/200mah Standby time: 500 hours Material: metal Color: Silver Package Contents: 1 x Timer Lock Only the above package content, other products are not included. Note: Light shooting 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.