Klein Tools X5 LED Mini-Pocket Flashlight Bright, powerful 5 mm Nichia white LED light with 50,000 hours of lamp life 130 hours of battery life so you won't be left in the dark Durable polycarbonate body with O-ring sealed Xenon shroud Interchangeable clear, red and green colored discs for multiple applications 4 LR44 Alkaline (batteries included)