When you return to your room and reinsert your key in the slot, the lights awaken.

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The owners of the spread had instructed us to deposit our key in a small slot in the locked kitchen closet before leaving.

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To authenticate a key, it is placed in the USB slot at the front of the device and the "Copy" button is held in until the MyDitto emits a beep to start the process.

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Ports for micro-USB and a 3.5mm headphone jack sit up top, with the volume rocker and lock key on the right and a covered slot for microSD or, in the case of the (gold) 308, a second full-sized SIM on the opposite edge.

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The start button sits in the middle of the drive buttons and works only when a smooth rectangle key fob is inserted fully into the slot and held down.

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