Helicopter Motor Servo Tester, (2pcs) Aeromodelling Remote Speed Controller Server Electrical Equipment CCPM Servo Consistency Master with 3 Mode Indicator Input Voltage 4.8-6V

There are 3 modes to check servos or ESC: Manual mode: turn the knob with different speed, check the reaction time. Neutral mode: make the servo go back to the neutral point. Automatic window wiper mode: make the servo swing like a window wipers in the biggest angle. Specification: -Type: CCPM Servo Tester, ESC or Servo tester -Output: =15mA (5.0) -Voltage Consumption: DC4.8-6V -Output Signal: 1.5ms±0.5ms Package Includes: 2 x Servo Tester