Cheap And Discounts 6mm LED Waterproof Metal Indicator Light Signal Lamp With Wire 3-6V 12V 24V 220V Red/Yellow/Blue/Green/White Metal Button DIY GO Wholesale. Buy Directly From Merchant PDPAPR Pneumatic Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.