Brand new and high quality?

Easy to install?

Color: black?

Size: 105 x 35 mm?

Material: aluminum alloy?

LED type: CREE Q5 LED?

Luminous flux: 80-240LM

Waterproof?

5 brightness modes: strong / normal / weak / fast flashing / slow flashing?

Power supply: 3 x AAA batteries (NOT included)?

1 x LED bike headlight?

1 x Mount