Rebaydo 2pcs LED Flashlight Bulb P13.5S 3W 6-24V. Up to 200 Lumens. Long life up to 30,000 hours. Comparable to a 27 Watt incandescent bulb. Available in White 6000K and Warm White 3000K. Works AC/DC Replace your broken incandescent bulb with a virtually unbreakable led bulb. The ring is 13.5mm. The length is 14mm. Extends battery life up to 9 times what a incandescent bulb would use. Starts to illuminate at 5.11 volts. Uses about 0.291 amps at 6 volts. Uses about 0.077 amps at 24 volts. CE and Rohs.