with headlight angle adjustment function. there are three types of light irradiation. "product size (approx.) body: width 85× depth 57× height 45mm weight (approx.) 70g (not including batteries) material (quality) BODY: ABS RESIN, LENS / HOOK: POLYCARBONATE, BAND: NYLON specifications/others Light source: 10 LEDs (light emitting diodes) (white 8, red 2) Power supply / DC4.5V AAA batteries 3 (sold separately) Battery life / 4 ball, about 20 hours, 8 ball , about 16 hours, red flashing / about 40 hours ※ It varies depending on the usage. JAN CODE 4560464238907"