Auto Meter Features: All Solenoid Shifters Use The Same Time-Proven Solenoid Automatically Shifts The Transmission From Low To High Gear Because Nothing Connects To The Shift Lever Dedenbears Solenoid Shifters Are The Best Electric Shifters Elect Solenoid Cocks Automatically/You Stage And Launch The Car For Forward Pattern Powerglide Transmissions For Unmatched Reliability No Maintenance Is Required Just Install It And Forget It Normally/The 1.5 Amp Holding Coil Keeps The Unit Cocked Power Is Cut To The Solenoid And The Spring Loaded Plunger Until The Desired Time Or RPM/At Which Point When The Shifter Handle Is Pulled Into Low Gear The Powered Height: 3.50 Width: 11.50 Length: 5.50 Weight: 2.85 lbs Electrical Outlet Plug Type: AUTO