How much does this cost to the nearest dollar?

Drone Strobe Lights, Super Bright Lightweight FAA Drone Anti-Collision Lights for Night Flying, 7 Colors, 32 Modes, 3 Miles Visibility, Made for Limitless 4 Drone and Compatible with All Drones (1pc)
7 Colors & 32 Modes – No need to buy different colors because this bright FAA anti-collision drone light is already equipped with all 7 colors which you can switch between with a simple press of the button. 32 different color & flashing combinations give you versatility for every situation. It's also a spectacular light show for spectators to view LONG Lasting Battery Life & FAST Charging – These drone strobe lights are equipped with a 110mAh rechargeable lithium battery which provides 8hrs of usage time when fully charged, and it only takes 20

Price is $15.00
Price: $14.99