Home Promo [Special Price] 25Pcs 4 Channel 5A 250V AC/30V DC Compatible 40Pin Relay Board For Raspberry Pi A+/B+/2B/3B Promo - April 08, 2020 [SalePrice] Original Price: US$399.99 ([Discount]) Special Promo 25Pcs 4 Channel 5A 250V AC/30V DC Compatible 40Pin Relay Board For Raspberry Pi A+/B+/2B/3B with Free Worldwide Shipping! Rating : / 4.77 Buy on Banggood Product description SHARE ON Twitter Facebook Whatsapp Pinterest Tags Promo