Need to get high-intensity power out of a compact penlight? Make MityLite? your light. Ultra-bright, full-spectrum xenon lamp module provides professional-grade performance. Pre-focused, modified-spot reflector significantly enhances peak intensity. Watertight, IPX7-rated casing may be submersed to depths of up to one meter. Unbreakable, chemical-resistant xenoy polymer-resin tube features a grip-enhancing faceted design. Tail-button switch enables easy on-and-off intermittent signaling. Battery Type: Alkaline; Flashlights Type: Standard; Power Source(s): 2 AA (included); Voltage: 3 V.