For the 12W as seen on their
store page
Dimensions: 4.13” x 3.31” x 1.38” (105mm x 84mm x 35mm)
Weight: 0.92 lbs (420 g)
Or the
20W that I use which is slightly bigger
Dimensions: 5.31” x 3.74” x 1.57” (135mm x 95mm x 40mm)
Weight: 0.99 lbs (450 g)