The Seca 400 is a Switch Mode Power Adapter that can be used to charge the Seca 374 Baby Scale sold separately and the Seca 334 Baby Scale sold separately. Features Weight 0.3 lbs 155 g Dimensions 42 x 35 x 73 mm 1.7 x 1.4 x 2.9 inches Cable length 1.85 m 72.8 inches The Seca 400 Power Adapter is compatible with the following Seca scales Seca 334 Electronic Baby Scale with Handle Seca 374 Electronic Baby Scale with Shell Shaped Tray