1) Baseball cap with built-in LEDs 2) 2pcs CR2032 batteries support for 48 hours work 3) 2 LEDs, 3 LEDs, 4 LEDs and 5 LEDs High quality cotton cap with LED lights on the edge,and all the wire is inside the cap,you can conveniently use it.It can be wildly used in hunting,fishing, outdoor and night working. 1) Baseball cap with built-in LEDs 2) 2pcs CR2032 batteries support for 48 hours work3) 2 ...