Product name: 4.2mm luminous arrow tail
Size: 4.2mm/.165"
Weight: 15.7g/box
Packaging: Blister box [3 pieces/box]
Color: red, green, blue, yellow, purple (five colors)
Usage size: 4.2mm inner diameter universal arrow shaft
Description: The smallest size (4.2mm) on the market, the double-card slot string automatically lights up the luminous arrow tail. It is actually a string light-up. The arrow is set and the string automatically lights up when it enters the firing switch card slot at the moment of shooting, which solves the trouble of lighting the arrow tail before shooting and saves power.
Battery capacity: The manufacturer promises that it can be used continuously for 36 hours
