SOMFY ROLL UP WIREFREE RTS Motor (MPN # 1001683) (1) Somfy LT30 RTS 12 Volt DC Motor Old 1000637 New #1001683 Ideal for areas where access to traditional power outlets or wiring may be a challenge. Option to convert to a plug-in system with the use of a transformer. Radio Technology Somfy (RTS) provides compatiblity with full range of RTS controls and accessories and allows operation of motorized applications within a range of 65 feet. Slow speed tilt allows for compatibility with Modulis RTS remotes, which offers precision tilting of blinds slats and/or sheer horizontal vanes.