The light that should be in every pack you own, the Black Diamond Ion provides ultralight, just-in-case lighting for anytime the sun goes to bed before you're back at the car. A single, 12-lumen SinglePower LED helps you make it down the rappels or find the trail, and the momentary switch prevents accidental battery drain when the Ion is in your pack.

• 2 LED settings powered by a single 6-volt battery
• Momentary switch powers lamp on and off and prevents accidental battery drain
• Protected against splashing or sprayed water from any angle (IPX 4)