127 lumens 4 selectable modes Twist-Type head switch The SP22 Xenon/Incandescent flashlight is designed and manufactured with the highest standards and top quality materials, to offer you high-end performance and reliability. Plus, it also offers you advanced features to deliver the best results under many demanding conditions. The multi-mode feature offers two different power settings - a maximum-power setting that yields maximum brightness and a 25% power setting to conserve battery power for reading at night, or for a prolonged emergency. Also includes 4 selectable modes: high power, low power (25%), blink mode (blinks approximately once a second), and SOS signaling.