Electric jack lets you raise and lower your A-frame trailer
Drop leg allows for increased lift and saves time when raising or lowering
Pin and clip holds leg at desired location
2 Toggle switches on the front of the housing let you operate the jack
On/off switch controls light
Extend/retract switch controls up and down movement
LED light illuminates at a downward angle to help you focus on your coupler
Emergency crank (included) allows you to manually operate jack if needed
Requires a 3/8" socket to use the manual crank
Black powder coated outer tube
Zinc-finished inner tube and footplate resist corrosion
Simple, bolt-on installation
Wires to 12-volt power source
12-Gauge wires
Serrated washer included for ground connection
The Jack Standneeds to be powered by a 12V battery(Not Included)
It can be used in manual mode (freewheel option) by using Handle Provided
 
 Specifications 
Bracket height:
Retracted: 9"
Extended: 28-1/2"
Total lift: 25-1/8"
Screw travel: 19-1/2"
Drop leg travel: 5-5/8"
Clearance:
 20-1/2" From bottom of bracket to top of jack
 Outer tube diameter: 2-1/4"
 Inner tube diameter: 2"
 Hole spacing on drop leg: 1-7/8"
 Footplate diameter: 5-1/2"
 Lift capacity: 3,500 lbs
 
 Package Includes 
1 x 12V Electric Jack Stand  
3 X Bolts, nuts, lock washer & star washer（see the picture）
1 x Manual Crank