This kit will be the hit of your next party as dual xenon strobe tubes alternately flash on this unique kit! Gives a “police” effect and is a great attention getter. Kit features two straight xenon flashtubes and a fixed flash rate of about 120 per minute. Operates from standard 120VAC. Size of board: 3" x 3". Complete with all parts, PC board and instructions. Skill Level 2. C4622