ITEM NAME:Steering gear tester CCPM 3-mode ESC servo motor for RC helicopters adjustment U @media screen and (max-width: 600px) .mobiledesfromibay { display:block; width: 350px;.It can connect 3 servos of the CCPM helicopters and select servos. -Type: CCPM Servo Tester, ESC or Servo tester. -There are 3 modes to check servos or ESC Automatic "window wiper" mode: make the servo swing like a window wipers in the biggest angle.
