Quality complete bike light set from Black Widow. The front light is an extra sturdy water resistant alloy cased super bright white light with a 3 Watt high performance LED which gives a great strong beam on the road ahead. The rear light is a 3 LED unit with the top light being a powerful 0.5 watt LED. This extra bright LED works in combination with the other two red LEDs to provide various modes, flashing, constant, off etc. Mounting brackets are provided for both lights and fit easily without the need for tools. The lights are then simply clipped on to there respective brackets but can be removed in a jiffy to take them into the office or home with you. Comes complete with batteries.