Grote 77693 Yellow Medium Profile Class I &amp; II Heavy-Duty Strobe (Class II， Heavy Duty)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Grote 77693 YEL，LOPRFL，DBLQUADFLSH，SPINON LENS，CL II</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419C5Y1R3KL.jpg" noproxy>