Rebaydo 2pcs LED Flashlight Bulb PR2 P13.5S 3W 5-24V designed to replace incandescent flashlight bulbs with energy-efficient LED technology. Produces up to approx. 200 lumen output in white 6500K and is comparable to approx. 27 watt incandescent bulbs while extending battery life up to approx. 9 times. Operates from approx. 5V to 24V DC, begins illuminating at approx. 4.36V, draws approx. 0.453A and approx. 0.090A at 24V. Features a long service life of up to approx. 30,000 hours and durable construction for flashlight, lantern, and portable lighting applications. Approx. 0.94in length and approx. 0.531in ring diameter.