This device allows you to install your radio"s ON/OFF switch and charge jack in one location, using a single mount to keep your plane looking tidy. For added convenience, you just loosen one screw to remove the charge plug! FEATURES: Snap-lock charge jack door keeps fuel out Easy, single-screw plug lock Fits all radio systems and accepts any radio switch (not included) INCLUDES: One Switch/Charging Jack Mounting Set. REQUIRES: A switch harness that has a charge jack COMMENTS: This mount will extend 43mm into the fuselage, is approx 10mm tall and 38mm wide. A rectangular hole (32mm x 6mm) needs to be cut in the side of the fuselage. NMH 11-29-93 ir/jl