... .7 cm,weight:77.4g 2. Battery:3*AAA 3. Material:silica gel+PP 4. Good for promotion gift 4 LEDs ... .4*3.7 cm,weight:77.4g2. Battery:3*AAA3. Material:silica gel+PP4. Good for promotion gift ** 4 bright leds ... on bicycle handle, seatpost, helmet, wheel, bag and so on ** Powered by 3*AAA (included)** Available colours,White, Black, Red, Blue ** Weight ...