Dental Cordless Hygiene Prophy Handpiece, 5 Brush Heads, 2 Cleaning Modes Quantity:10 Pcs($49/ea) The ground wire is

The ground wire is

Bright and Efficient Lighting: Equipped with imported LED bulbs that offer pure white light

Shell conductive

the door handle must be screwed to the bottom to ensure that the door is closed

The handpiece is faulty

Dental Cordless Hygiene Prophy Handpiece, 5 Brush Heads, 2 Cleaning Modes Quantity:10 Pcs($49/ea) The ground wire isFeature Deep Cleaning: Capable of reaching different areas of the teeth for comprehensive oral hygiene and effective plaque removal. Cordless Convenience: Enables freedom of movement for efficient dental care without the restriction of cords. Multiple Brush Heads: Includes 5 brush heads for versatile cleaning options tailored to different patient needs. Dual Cleaning Modes: Offers 2 modes for customized cleaning experiences, catering to varying oral