An automatic toothbrush is an effective tool to improve you oral hygiene. This model comes with a rechargeable battery and the built-in indicator tells you when it's time to change
From Amazon
Philips Sonicare Series 7900: Advanced Whitening Edition Rechargeable Electric Toothbrush, 4 Modes, 3 Intensities, Gum Pressure Sensor, Bluetooth, UK 2-Pin Bathroom Plug, Pink, (Model HX9631/18)
OnBuy
Philips - Series 7900 Advanced Whitening Sonic Toothbrush HX9631/18