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 softly and clearly. Equipped with 3 small buttons to set hours or minutes, easy to use. Super Standby Time: Universal USB rechargeable. Maximum standby time can reach up to 500 hours once fully charged. Widely Used: Ideal for securing addictive items such as cigarettes, drugs, cell phones, or snacks. Suitable for use in kitchens, gyms, and schools. Battery Capacity: 3.7V/200mAh. Standby Time: Greater than 500 hours. Material: Metal. Color: Silver. Package Contents: 1 x Time Lock. Only the above package content included; other products are not included. 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.