This product is made specifically to be used with your Downstream Injector with your Pressure Washer Simple plug n play configuration Save time by remotely switching between wash & rinse Bypass allows for maximum GPM Modular design fits our stands Comes standard with 1 remote, 10' power cord with waterproof power switch Indicator light has 10' cord for remote mounting 3/8" quick connect fittings for pressure in and out as well as injector installation Recommended for Pressure Washers using 8+ GPM but will work for less GPMs Solenoid is to help prevent any potential back-flow in the system Lead times on this product vary. Contact us for details. Restocking fee applies to any cancelled orders after initial purchase.