... vibrationg, light, voice, temperature, PIR or timing. Specifications:LED flashing module with colorful LED light, widely applied for wearable, souvenir, decoration gift ... flameless, wax-free, heatless, non-toxic, 4. USB input, with LED flash5. Can be used for bars, anniversary, wedding, party, holloween ... 2. About Our Dustless Workshop 3. About Our Automation Machine 4. About Our Sales Department