Mini Digital Level Meter Protractor Inclinometer Bevel Box Angle Gauge Finder with 4 x 90 Degree Range + Magnetic Base 1 * DC Motor Speed

1 * DC Motor Speed Controller

10 * 10 * 3cm / 3

Item Weight: 456g / 16

also can test transistor

thus to change the motor speed or light brightness

Mini Digital Level Meter Protractor Inclinometer Bevel Box Angle Gauge Finder with 4 x 90 Degree Range + Magnetic Base 1 * DC Motor SpeedUse this mini digital level, you can measure the angle between two faces, not only in earth gravity direction. It will display the angle between the measured surface and the level. Great little tool for carpentry construction, checking wheelchair ramps, plumber, machine industry and for anyone inspecting those kind of projects. Features: 3 in 1 Measuring Tool Digital protractor, angle finder and level in one tool, large & clear LCD with backlight for