Francis Cebedo from MTBR.com provides a detailed review of the Gemini Duo 1500 Lumens. The Duo 1500's combination of light weight and powerful output is ideal for helmet mounting, with its easy-to-use rubber band system.
Such a small yet bright package. Excellent craftsmanship with a solid company supporting the product. Versatile mount allows it to be mounted on the helmet or bars easily. Excellent switch action. Good programmability options.
Read the full article on MTBR.com