The Strobes N' More E3 LED lighthead features brand new, next generation optics giving you light output second to none. The E3 features 12 built-in flash patterns, a high/low power mode and come fully synchronizable with other E-Series lightheads and LED sticks and the Dual Threat and Triple Threat dash lights. The E3 is fully encapsulated which makes them 100% waterproof and vibration resistant.