The 7100 provides high, strobe, medium and low modes. You are able to choose from 4 different programs to personalize these modes to your liking. Full time battery level indication ensures you will always know where your battery status is. The ability to use a single AA disposable battery if power is unavailable means you™ll never be without light when it is needed most. The removable pocket clip and its IPX8 waterproof status provide an abundant value to the Pelican 7100.