Control module with push buttons on the side (up, stop, down). Wired 12V triggering with 4-pin RJ-11 connection (not included). RS232: RJ-12 connection (not included). Dimensions 130 x 80 x 39mm 11298IR - IR Remote Cointrol to be used with control module 11298. Dimensions 125 x 45 x 15mm 11298RF - RF Remote control to be used with control module 11298. Dimensions 125 x 45 x 15mm 11298AC - RF Power sensing Trigger - Radio frequency sender. Works with any 100-240v projector and 4-wired projection screen. Dimensions 90 x 65 x 31mm (without cable) 11298TR - Radio frequency 12 volt trigger. 35mm mini jack connector. Dimensions 52 x 35 x 13mm (without mini jack connector).