When replacing accessories or chucks, be to unplug the tool. Do not engage the shaft lock button while the tool is running. Do not use the machine near water or place it in water. If the motor falls into the water, please unplug the power plug immediately and do not touch the water. Do not touch the drill or chuck after use, because the drill and chuck are too hot to touch with bare hands Use protective goggles or dust masks to prevent dust from entering your eyes and lungs. Colour:As shown Material:ABS Package Contents: 1 * Mini drill Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.