Grinder:
1. Motor: 395
2. Electronic speed adjusting button
3. 6 round speed indicator
4. Shaft lock button
Screwdriver:
1. F130 motor with voltage down PCB
2. Forward and revers button
Soldering Iron:
1. Heating indicator
2. Ceramic internal heating core
3. On/off press button
Angle grinder:
1. Shaft lock button
2. On/off press button
Working light:
1. Voltage：DC 20V
2. Three lightning modes：High, medium, and low brightness
3. 360 ° rotation
4. 450 lumens
