“HW-399 4-channel Optocoupler Isolation Module For Arduino” has been added to your basket. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × HW-399 4-channel Optocoupler Isolation Module For Arduino 1,400.00₨ HW-399 4-channel Optocoupler Isolation Module For Arduino quantity 1,400.00₨ Update cart Basket totals Subtotal 1,400.00₨ Shipping cash on delivery: 300.00₨ normal delivery (If Advance Payment): 200.00₨ self pickup from our Faisalabad Store Shipping to Punjab. Total 1,700.00₨ Proceed to checkout