STERILE (WHITE) ROOMS SPECIAL HANDSET-FREE TELEPHONE 
Flush-mounting / NO fixing screws
Perfectible washable - no holes
Supplied by the telephone line (no additional power supplier)
FULL-DUPLEX conversation also in noisy areas
Microprocessor controlled
Automatic switch-off at the end of conversation (automatic hang-up)
Teleprogrammable
Optionally connectable to a telemaintenance service
Red LED lights during connection
DTMF/impulse dialling
Additional Card for opening a door by a remote password