Cheap And Discounts 50PCS Electronic Components Supplier Electronics Solid State Reed Switch Relay BL-JDQ-SHR12-1A13-D4K Miniature 5V/12/24VDC 4-pin Wholesale. Buy Directly From Merchant PinYi Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.