Versatile solid-state switch can be used for many installation needs. Program normally open/normally closed, switched on with positive or negative input pulse. Programmed to act as a latch or a timer. FEATURES:Converts – Makes your SWM-capable receiver work with legacy satellite dish equipment, (Carryout and RoadTrip products). For SWM-Capable Receivers Only – Compatible with H21 or higher, D12, HR20 or higher, and HS17. IN THE BOX: SWM-8 Switch, Power Inserter, 4-Way Splitter, Hardware Bag. USAGE SPECIFICATIONS: Dome antennas will require SWM conversion kit SWM-D30 for compatibility with the DIRECTV H25 receiver. Height: 5.2 Inches, Width: 7.5 Inches, Length: 10.2 Inches, Weight: 3.18 lb.