The wireless version is much less practical.
Make your own screwdriver-key and feel like a thieving badass, like from the movies!
Ball pump, cable ties, duct tape and bicycle reflector = front door keys.
From the submitter:
Rich couldn't find his keys until 3 drill bits later. Now he doesn't need them.
Submitter gsimon was in a hotel room with no phone charger. A data cable, a paper clip, a key, and the batteries from the keyboard of the set-top box combined to make a fine substitute.