grill light,exterior light,Surface Mount light,Directional light,Perimeter Warning light Features: Thick Aluminium base ,good for heat elimination Water proof in high leavel , it can be work in water 2 mounting ways, by screws, or by spring 8+1 flash patterns, flash and steady on Alternating or simultaneous flashing available Technical Specifications: Voltage: 12V DC 18 PCS*1W LED , 9 pcs per lighthead Power: 18W Led cover available :Amber ,blue,red,white,green Lens:TIR Dimensions: 8.1" wide x 1.2" high Flash Patterns: 8+1 Flash Patterns Can be steady on Video available ,please contact us to get more information !