Exterior light,Surface Mount light,Directional light Features: Generation III high power LED , surface mount lighthead Weather and vibration resistant Pre-programmed multiple flash patterns Alternating or simultaneous flashing available Technical Specifications: Voltage: 12-24 VDC 8 pcs of 1W LED Led cover available :Amber ,blue,red,white,green Lens:TIR Dimensions: 4.5" wide x 3.0" high x 1.1" deep Flash Pattern : 1.Quad flash (75 f/m) 2.Single flash (75 f/m) 3.Double flash (75 f/m) 4. Three consecutive flash (75 f/m) 5.Quad flash (125 f/m) 6.Double flash (125 f/m) 7.Single flash (125 f/m) 8.Double flash and Single flash (125 f/m) 9.Single flash 1 and Single flash 2 (75 f/m) 10. Quad flash and Single flash (75 f/m) 11. Slow Double flash (125 f/m) 12.Three consecutive flash (125 f/m)