Retrofit Remote Control Lock for Grip Handle PG - RKPG Series Can be installed on our grip handles (PG series) without additional processing. Easily transforms into a remote control lock. The grip handle lock currently in use transforms into an electric (battery-powered) remote control lock. Only the interior side needs to be replaced, and no additional processing is required. The remote control has scratches from wear and tear when used with a key holder. For more details, please visit the manufacturer's website: https://www.miwa-lock.co.jp/miwa_smartphone/tec/products/smartlock/sl_rkpg.html