This 99mm-long super compact flashlight can put out up to 960 lumens for 4 hours. Besides that, it offers 12 different modes, including 6 brightness settings, 3 tactical settings and three for emergencies and signaling. If you face any trouble or emergency, you can use SOS, beacon or strobe. Lockout function can prevent accidental activation. Countdown feature helps to turn off 18650S automatically. The included 2600mAh 18650 battery has a built-in USB port for a direct charge. This flashlight is built for home use, various outdoor sports, police, security, law enforcement, etc.