DiamondClean Smart HX9954/56 used 9000 sonic toothbrush handle only
Philips Sonicare DiamondClean Smart Sonic Electric Toothbrush with Smart Brush Head Sensors and 5 Brushing Modes, Luna Blue, HX9954/56 Height (without head) – 19cm Height (with head) – 25.5cm Width – 2.7cm Thickness – 3cm Weight (without head) – 137g Weight (with head) – 142g Working, handle only