KONE of elevator laub khawm KM51071111H03 KDS50 / KDS330 Round Braille khawm

KONE of elevator laub khawm KM51071111H03 KDS50/KDS330 Round Braille Button. KONE puag ncig khawm KDS50, kev teeb tsa loj yog 32 hli. Sab nraud hu khawm rau nce thiab nqis tsis yog universal, cov uas muaj ob lub plug-ins nyob tom qab yog rau nruab nrab txheej. Cov txheej nruab nrab hauv qab, txheej qis tshaj, lossis txheej siab tshaj plaws yog tag nrho cov plug-ins. Muaj 2 hom plug-ins rau lub tswb ceeb toom: ib lub plug-in thiab ob plug-in. Lub pob no muaj nyob rau hauv lub teeb liab, lub teeb dawb, thiab lwm yam.