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 provides 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 on a full charge. Widely Used: Ideal for securing items such as cigarettes, cell phones, snacks, or other personal belongings. Suitable for use in kitchens, gyms, schools, and more. Battery Capacity: 3.7V/200mAh Standby Time: Greater than 500 hours Material: Metal Color: Black Package Contents: 1 x Time Lock Note: Light and different display settings may cause the color of the item in the picture to vary slightly from the actual product. Measurement allows an error of +/- 1-3 cm.