6V 12V 24V Digital Display LED DC Motor Speed Controller PWM Stepless Speed Control Switch GemOro Testerossa Voice Alert Diamond Tester guessing on the karat or

guessing on the karat or value of the gold

Measuring is never been so easy and fun

Plug Type: UK Plug / EU Plug(Optional)

Anti-explosion Rating: IP40

6V 12V 24V Digital Display LED DC Motor Speed Controller PWM Stepless Speed Control Switch GemOro Testerossa Voice Alert Diamond Tester guessing on the karat orThis DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse Width Modulated (PWM). Large 0. 56 inch 3 digit LED display numbers allow viewing under the most adverse conditions. Features: Large 0. 56 inch 3 digit LED display numbers for easier readings. A PWM speed controller, enables you to control the speed of DC motors smoothly. Wide range of working voltage: DC 6V 30V. The rotary knob can realize 0 100% adjustment, and display