Measuring only 1.4 inches (36 mm) in length and weighing just 5 grams, the True NanoLite is a small keyring flashlight. A handy, bright key-ring torch really and ideal piece of Everyday Carry Light. With such a small size and weight, True Utility NanoLite fits perfectly on a keyring. With minimalist design and simple twist on/off function, the LED bulb produces an impressive 4 lumens of light. The NanoLite boast the title of being the smallest flashlight in the world. Made from solid brass with electro plated silver finish, the NanoLite is light but strong.