The external dimensions and weights of each model are as follows:
400W model: 71 (2.80˝) W x 124 (4.88˝) H x 350 (13.78˝) D mm (inch) / 3 kg (6.61 lbs)
800W model: 142.5 (5.61˝) W x 124 (4.88˝) H x 350 (13.78˝) D mm (inch) / 5.5 kg (12.13 lbs)
1200W model: 214 (8.43˝) W x 124 (4.88˝) H x 350 (13.78˝) D mm (inch) / 7.5 kg (16.53 lbs)
2000W model: 428.5 (16.87˝) W x 128 (5.04˝) H x 350 (13.78˝) D mm (inch) / 13 kg (28.66 lbs)
For the details, read the user’s manual – chapter of Outline drawings.