Specification: Product name: FX-30 Driver For XHP70 LED Flashlight Diameter: 30mm Input: 6-8.4 V Output: above 5 amps Weight:about 10g Suit for: XHP70 LED Flashlight (125v/10A switch) Mode settings: Low 50m A Med 200m A High 1700m A Turbo 5000m A Hidden strobeactivate by a quick double tap on the side switch. Package included:1 x FX-30 Driver (not included any flashlight & switch)