HiLight P10C 500 lm Strobe Pistol Flashlight & Laser Sight Combo (USB Rechargeable: Built-in Battery + USB Charger) for Compact Pistols (Red Laser Light Combo) LED Type: CREE XM-L2 up to 500 lumen powered by a 3.7v RCR 123 battery Integrated Precision Red Laser &lt; 5mW, &lt; 5 mW, Class IIIR meets US law requirements Integrated Quick detachable Weaver Mount System An on/off Switch and a Function Key: Laser Only, Light Only and Both Laser & Light Powered by 1x 3.7 volts RCR123A rechargeable battery, Both battery and charger are included