Overview:IC control 2-LED flashing. Easy to use Build in parabolic reflector Can be seen from up 100 meters Seat post mounting clip, can be fixed on 10-35mm tube Power: 2 x CR2032 3V button batteries (included) Has glare light & flash light
Material: high quality waterproof silicone Specification: Weight Approx:15.4g Size Approx:4.7 x 4.5 x 2.1