A business hotel in Seoul has implemented a new key system for their room which involves a partnership with LG to provide smartphone keys that open doors, control temperature, lights and the television. Be careful if you rent one of these rooms and are prone to losing keys, it may just cost an arm and a leg to replace.

This is one hotel key you don’t want to lose.

A new business hotel in Seoul has started using smartphones for hotel keys that also allow guests to surf the Internet and control room lights, television and temperature.

Hotel Skypark Central in Seoul’s financial district launched the smart-key service on December 26, changing the locks and room controls in 16 of its rooms.

Guests pick up the smartphone when they check in at the front desk

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