Streamlight 25127 SL-20XP-LED Lamp Module Unbreakable polycarbonate lens with scratch-resistant coating 8-Watt, 6-Volt halogen bulb with 100 hour lifetime, 3 high Intensity LED's with 100,000 hour lifetime Three-position (on halogen-on LED-blink halogen) push-button switch guaranteed for life High-capacity sub-C nickel-cadmium rechargeable battery can be recharged up to 1,000 times Halogen - up to 28,000 peak beam candlepower typical, bulb rating: 150-Lumen, LED rating: 30-Lumen typical (3 LEDs)