Suitable for most phones with an automatic timer: This box allows you to lock your phone and keep it out of reach, as long as you prefer, for large phones such as iPhone 6/7/8 Plus or 10/11 Max or Samsung S, Note, or Ultra series. Excellent standby performance: You can set the timer from 1 minute to 99 hours, with a standby time of up to 30 days. Transparent phone case with functional slot: The functional slot allows you to receive calls or messages in emergency situations, and you can also use a cable to charge your phone through the slot. Fashionable and Portable Design: Lightweight, stylish in size, easy to carry, bringing more fun to children. Emergency hole for answering calls: There are holes designed specifically for emergency calls or messages, so you will never miss important calls/messages