€32 with coupon for DR.BEI YC2 Ultrasonic Scaler Calculus Remover 240min Long Battery Life Overhead LED Auxiliary Light from BANGGOOD

Ultrasonic Cleaning Technology, 40kHz Sound Wave Frequency, Medical Grade Cleaning Head, 3 Cleaning Modes

Main Features:
Not a vibration motor, but a real ultrasonic
Ultrasound is inaudible, so you can’t hear any sound after turning it on, only when it touches the tooth will it make a sound.

Intelligent ultrasonic recognition, not afraid of hurting the gums
The prosthetic needle touches hard objects such as teeth and starts to vibrate, and the prosthetic needle touches soft substances such as gums and stops vibrating

Deep cleansing power, the effect is visible
Designed for families, you can easily wash your teeth at home
Soft
Suitable for novice and elderly people, gently remove tartar stains
Clean
Removes stubborn tartar such as tobacco stains, coffee stains, and tea stains
Strong
Remove formed dental calculus and clean teeth deeper

Medical-grade dental prosthesis
Medical grade stainless steel material, professional health and hygiene hook design, to avoid damage to teeth, wide-head dental prosthesis needle — clean tooth surface and large calculus, pointed prosthetic needle — clean dental calculus such as fine

Comes with LED lighting
When used with a dental mouth mirror, you can clearly see the calculus on the inside of the teeth and the posterior molar without leaving a dead corner.

Outdated automatic power-off protection to prevent the needle from overheating
It stops automatically after 10 minutes of continuous work, and restarts again after 60 seconds.