Whelen SlimLighter dual blue light. Ultra-Bright Total Internal Reflector version with 6 blue LEDs on each side (hence, TIR6). This is the brighter of two models made by whelen and is in like new condition, less than 6 months old. 23 flash patters changeable by push button on rear of the unit. Was direct wired, but original lighter plug with switch will be supplied if desired. Works perfectly and has Whelen warranty. Rated for 100,000 hours of use (thats 11.42 years of continuouis operation). $200 shipped.