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 with sharp edges and surfaces, enhanced textured metal construction for durability and security. Easy Operation: Small LCD with white backlight displays the unlock time softly and clearly. Three small buttons allow easy setting of hours or minutes. Super Standby Time: Universally USB-rechargeable, maximum standby time can reach up to 500 hours when fully charged. Wide Usage: Can be used to secure items such as cigarettes, cell phones, or snacks. Suitable for use in kitchens, gyms, and schools. Battery Capacity: 3.7V/200mAh Standby Time: 500 hours Material: Metal Color: Black Package Contents: 1 x Time Lock Note: Only the above package content is included; other items are not included. Lighting and different displays may cause slight variations in the color of the item compared to the real one. Measurement allowance: +/- 1-3 cm.