LED flashing module for Badge,Gifts Box,Toys. Customized are acceptable ... voice, temperature, PIR or timing. Specifications:LED flashing module with colorful LED light, widely applied for wearable, souvenir, ... free, heatless, non-toxic, 4. USB input, with LED flash5. Can be used for bars, anniversary, wedding, ... future, with our core business in electronic gifts and toys, ESYS will keep devoting to ...