Includes 2 N6L decoders, 2 N6R decoders and 4 NDSX33 signals. If you would like to mix N6L with N6R instead, email us at support@protodesignlabs.com.Refer to separate product listings for more information - N6L, N6R & NDSX332x N6L + 2x N6R + NDSX33 Kit - 4 Pack $120.00 Regular Price$84.00Sale PriceSummer SaleQuantity*Add to CartBuy NowRETURN & REFUND POLICYPDL provides a one year warranty against manufacturing defects and will repair or replace this product at its discretion. SHIPPING INFOShips via UPS, FEDEX, USPS & GlobalPost