Multiple 3CH ECS Servo Tester Speed Controller Consistency Control Power Channels CCPM Master Checker Parts for Remote Control DroneCCPM Servo Consistency Master/Servo Tester can be connected 3 servos or 3 motors for testing at the same time. Helicopter servos for CCPM mode. With three gear display lightIt has a small size and is easy to carry. Input Voltage: DC4.8-6v Size: 49x34.5x16.5mm Weight: 15g Material: Plastic Color: Black Package Content: 1 x Servo TesterOnly the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.