Led strobe beacon - strobe or steady burn - 10-30vdc - permanent flush mount(-blue). made in the USA the Larson Electronics sl4-a-led flush mounting LED strobing beacon Works on 10 to 30 Volts dc, offers a choice of red, amber, or white, colors, and can be operated in a strobing or constant on mode. This compact and flush mounting LED beacon contains an LED lamp assembly and Fresnel lens that allows 360 degree of visibility. This LED beacon is available in a choice of white, amber or red colors, and includes gaskets and preformed holes for flush mounted installations. This flush mount LED beacon can be operated in either a constant on or strobe mode. Operating modes are controlled by installing an on and off switch inline with the red and white wires. To switch between modes, the operator simply toggles the switch on and off. This waterproof and shock resistant beacon has Fresnel lens that allows this LED beacon to be seen over 360 degree of direction. This unit is designed for permanent mounting and can be operated with voltages of 10 to 30 Volts dc without the need for additional hardware. Included with this unit is a Black plastic gasket with preformed mounting holes to allow simple permanent mounting to any flat surface. This compact LED beacon produces a superior signal with a small form factor, making it ideal for utility, construction, security, snow, maintenance and any application requiring an effective and highly visible beacon signal. Specifications/additional information sl4-a-led LED strobing beacon features lamp type: LED permanent mount dimensions: 4.75 inch L x 2 inch h x 1.5 inch D 2 operating modes lamp WEIGHT: 1 Lbs. amber, white, or red colors voltage:10 - 30 vdc waterproof, shock resistant Wiring: 3 wire red, white, ground compact size lighting configuration: strobing flash/constant on 360 degree of visibility mounting: permanent amps: less than 1/4 amp at 12 vdc special orders- requirements contact us for special requirements.