An integrated approach to survival and rescue. In emergency situations, there are a few items that are irreplaceable, such as a good sharp knife, a flashlight and a signaling device. This Survival Light offers all these vital features in a very compact, functional shape. Features a 3" blade with 50/50 serration for both cutting and sawing. The waterproof flashlight uses 3 button cell batteries and is activated by twisting the barrel. An emergency whistle is also built into the handle. Watertight cavity holds spare batteries or other small items.