With 5pcs super bright Led,good for camping,hiking and other outdoor activities; Powered by 2 x CR2032 lithium batteries Product features LED Lighting caps 2 x CR2032 lithium batteries5 x 5mm LED lamp Super bright: 5 x 12,000mcd abovePress switch under the visor2 on, 5 on, 5 flashing , off . Battery box at side ( inside of cap) , replaceable 5 leds LED lighting cap