Halloween Gift, Christmas Gift, Led Pin Button: 1. Material: PCB. 2. Size: 3cm-5cm. 3. Color: Red, blue, green. Halloween Gift, Christmas Gift, Led Pin Button: 1. Material: PCB.3. Size: 3cm-5cm.4. When the turnbuckle is screwed up the product begins to sparkle with diversified light.5. Stop flashing when the screw is loosened.6. Red, yellow, orange, blue jade and white led colors are available.7. ...