备注： 1. 3156: single contact 2. 3157: double contact 3. QTY of LED: 12LED, 19LED,2-tier 18LED,2-tier 24LED 13pc & 19pc piranha LED 4. LED type: dome LED, flat LED, piranha LED in water clear or white diffused 6. Voltage: 6V DC - 28V DC 7. Emitting color: red, yellow(amber), blue, white, gre
