The Firefly by Guyot Designs is a water bottle lid that turns you water bottle into a lantern. The Firefly's unique design allows it to be used right side up or upside down. The Firefly lid contains an integrated LED light which illuminates the entire bottle. It also has a dimmer control to use as lantern or a night-light. Compatible with most standard wide mouth bottles, including Nalgene, GSI, Cyclone, Bison, Stansport, etc.
- Electronic dimmer switch
- Ultra bright LED lights are sealed inside the lid and are waterproof
- Fits most standard sized wide-mouth water bottles
- O-ring seal for tight fit
- Lifetime LED lights never need replacing
- 4mm nylon tether rope by Sterling Ropes
- Granite grade glass-filled nylon construction
- 3 AAA batteries required (not included)
- Water Bottle NOT included