*INSTALLING A SPECIAL GADGET FOR LIFTS, COMPATIBLE WITH THE MOST ADVANCED SYSTEMS OF LIFT COMUNITATIONS & EASY TO INSTALL, WITH 2 YEAR REPLACEMENT WARRANTY IN 24 HOURS. YOU ONLY HAVE TO PAY 150 EUROS VAT INCLUDED AND YOU NEED TO HAVE A MOBILE CONTRACT WITHOUT ANY FIXED COST. THE COST OF THIS GADGET CAN BE RECOVERED IN LESS THAN 10 MONTHS, THANKS TO THE SAVINGS OF THE FIXED PHONE COST. INSTALATION NOT INCLUDED. OPTIONAL INSTALLATION: WITHOUT WIRING 30 EUROS PLUS VAT, WITH WIRING 60 EUROS PLUS VAT (MAXIMUM 1 HOUR OF INSTALLATION).