Infinity STX (Without Downlight)Infinity STX Directional LED Single, Dual & Quad LED Colour Options Redtronics Infinity STX is an industry first quad colour directional LED. The STX is available with either single, dual or quad colour high intensity flashing light. The Infinity STX has 4 programmable outputs which are capable of pre selecting multiple functions including colour, pattern and flashing or steady burn. The STX features an automotive acrylic lens and black heatsink body