1)High quality 2)Competitive price 3)reliable and stable 4)Professional ESC for car models 5)Certification of ISO 9001 ... :2000 Features of ESC for car models: ... can be adjusted from 0° to 30°by every 1°.4. FREQUENCY: 8KHz, 16 KHz, 32 KHz for selection5. ... 6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V for selection10. CUT-OFF TYPE: Soft Cut- ...