<p>1. Super Standby Time: universal usb rechargeable, max standby time can reach up 500hours once full charge.</p> <p>2. Easy Operate: samll LCD with backlight, display the unlock time soft and clear, 3 small buttons to set hours or minutes, easy to use.</p> <p>3. Metal Body: The Lock body is made of metal, edges and smooth surfaces, enhanced textured metal lock.Durability and Security.</p> <p>4. 99 Hours Timing: Free setting of unlocking time, up to 99 hours and 59 miunutes.after the timing is finished, the lock ring open automatically.</p> <p>5. Improved sleep quality: reduce the time of looking at mobile phones, fall asleep early, improve sleep quality, enhance immunity, and live a , Control smoking: limit smoking, reduce the number of cigarettes per day, gradually extend the interval, and cultivate healthy living habits</p> <p>Product Name:Metal Timer Lock</p> <p>Battery: 3.7V\/200mA Battery(included)</p> <p>Standby time: more than 500 hours</p> <p>Size: () 45 x 78 x 18mm\/1.77 x 3.07 x 0.7inch</p> <p>Lock Type: Keyed Padlock</p> <p>color:Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 x Time lock</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>