Bike Light Set - Micro Size - No Tool Install - Only 0.4 Ounces Each - 2 LED s - Lightning Frog and Lightning Ladybug Bike Light Set by Huggabe NO PARTS to lose - 5 Second install that even children can do SWITCH EASILY BETWEEN bikes, tricycles, scooters, strollers, crutches, and more! GREAT for kids! MINI SIZE can fit in your pocket.. its only the size of a tea bag! STAYS PUT! The soft silicone material hugs your handlebar and stays right where you put it. Batteries Included! 2 Long lasting, easy to find CR2032 batteries keep the 2 LEDs shining brightly for up to 150 hours!