... +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 switch and Vibration sensor , turn on and knocking, LEDS will flash ... easy and safe for children use.4. LED quantity & Color: 3 LEDS, color of red, green, blue, yellow, white, rose-red, pink ...