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 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 personal items such as cigarettes, medications, cell phones, or snacks. 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 displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm.