Don't be fooled by the size of the Light Squared S4 LED torch, it may be small but it's a powerful and fully featured tool. With spot to flood sliding focus, you choose between the distance and width of the 120 lumens of light that this torch produces with a quick push of the head. Enable you to match perfectly your light to your situation. S4 is really a small, simple to use torch that would easily fit in a pocket or comfortably hang on a belt in the supplied holster. The power is supplied by only 1 normal inexpensive AA battery.