... durable.Two series ( LED series&Xenon lamp series )LED series 1.Single-color flashing: (one battery)LED-W ( white light) ... take turns to flash.) Xenon lamp series 1.TL-1 strong white light ( one battery)2.TL-2 strong white light ( two batteries ... durable.Model No. LED-W, LED-R, LED-G, TL-1,LED-2RG, LED-2RB, LED-3RG, LED-3RB ... ,TL-2 We have professional QC system, a strong ...