+This novelty gift is the perfect gift for the phone fan in your life. Your child or partner can also isolate your phone if you don't have motivation while you're working at home. It can also be used tolock other highly addictive little items! +Place 5 mobile phones. The new mobile phone box is 15*13*23cm/5.91*5.12*9.06 inches in length, there is enough space for 5 mobile phones . +Security and tamper-evident design. The box is specially designed to ensure that the phone cannot be taken out in the locked state, and due to the secure lock mechanism, no one can enter the locked state. +Before each use, turn the timer knob clockwise full circle, from 0 until the timer pointer is aligned with the zero symbol. Step 2: Turn the Timer Knob counter-clockwise to the minute (number) you want to play. If these two steps cannot be completed, the timer will not sound. More suitable for kitchen, home, office use, suitable for everyone. +This type of mobile box can be a novel way to control the time the child spends on the electronic device and lock the phone until all tasks are completed.