The 1W and 4.7W Waterproof Torches are intended to bring light directly in front of your eyes and your Camera Mask lens and light up the subject in front of you. Neither light pulls on the mask and are not heavy to the user. Once in the water, you will forget about the lights being mounted to the side of your mask.
The 1W light is a lighter more focused light with more movement options from the bracket to manipulate the light to be focused on a subject in front of you. The beam is narrow and is considered a Spot Light. The 1W light has a low beam for reducing light scatter due to heavy particulate in the water as well as a blinking mode to get your partner's attention under water or signal to the surface a possible problem.