Unit can be mounted in any position. VP555 contains same features as VP612. The pump is set to turn on when vacuum drops below 15 in. Of vacuum, the pump activates and increases the brake vacuum level to 20 in.Fittings, and draws 4-6 amps. Does not include hose or wires. The item "CVR VP555 12 Volt Electric Vacuum Pump for Power Brakes 20 of Vacuum" is in sale since Friday, July 31, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Brakes & Brake Parts\Other". The seller is "baldwin-motion" and is located in Akron, Ohio. This item can be shipped worldwide.