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 smooth surfaces. Enhanced textured metal construction for durability and security. Easy Operation: Small LCD with white backlight displays the unlock time clearly and softly. Three small buttons allow easy setting of hours or minutes. Super Standby Time: Universally compatible micro-USB rechargeable design. Maximum standby time can reach up to 500 hours on a full charge. Wide Usage: Ideal for locking away addictive items such as cigarettes, cell phones, or snacks. Suitable for use in kitchens, gyms, schools, and more. 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 products are not included. Lighting and different display devices may cause slight variations in color between the item and the image. Measurement error allowance is +/- 1-3 cm.