2. Soft and soft stop, dual protection for motor and power supply Lower limit of speed, limiting the minimum speed 3. Knob and button speed control, suitable for people with different tactile sensations Speed regulation increment value, 1, 2, 5, 10, 15, 20, 25, 50, 100 1. 4 digit scale, 0-9990 can be set arbitrarily Upgrade encoder adjustment to avoid interference from external factors such as temperature and humidity 4. Four startup modes for more diverse handling Power off memory function, once set for long-term use 5. Digital display menu options, easy and fast to modify settings Integrated body for a more exquisite appearance. Embedded encoder adjustment, strong resistance to dryness, durability, and precise adjustment Wide voltage range adaptation 6-55V, Weight: 0.25573622392 pounds, Manufacturer: Tuidzljd