A 110v AC power block is included with the target unit. An optional battery pack may also be used to make the unit cordless. For example, the ROMOSS Battery Pack.
The gen 2 box is 13″Lx11″Wx11″H (33x28x28 cm) in size, around 2 lbs (0.9 kg). The main case is an square pail that works perfectly for the unit. Using this off the shelf part allows us to considerably reduce the price of the gen 2 unit.