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.<br> Metal Body: The lock body is made of high-quality metal with sharp edges and smooth surfaces. Enhanced textured metal provides durability and security.<br> Easy Operation: Small LCD with white backlight displays the unlock time clearly. Three small buttons allow easy setting of hours or minutes.<br> Super Standby Time: USB rechargeable, maximum standby time can reach up to 500 hours after a full charge.<br> Widely Used: Can be used to secure items such as cigarettes, drugs, cell phones, or snacks. Suitable for use in kitchens, gyms, and schools.<br> Battery Capacity: 3.7V/200mAh<br> Standby Time: Greater than 500 hours<br> Material: Metal<br> Color: Black<br> Package Contents:<br> 1 x Time Lock<br> Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.