... +PCB+LED+button cell+3 PCS AG3 battery2. Battery item& quantity: 3 pcs AG3 battery. It can support all LEDS flash 200,000 ... times 3 Switch & use: on/off ... easy and safe for children use.4. LED quantity & Color: 3 LEDS, color of red, green, blue, yellow, white, rose-red, pink ...