Multi-Rotor Parts - Are you not confident in the performance of newly bought servo, ESC or motor? Why not have a test now? Our HG-0051 Servo Consistency Master Servo Tester must be a perfect troubleshooter to make you feel assured about the quality.The servo testerhelps check out whether there is something wrong with your device and is able to connect two servos or ESCs at one time. Its high stability and precision will make you satisfied undoubtedly. No more hesitation! Rotate the knob and easily start the test!FeaturesSingle chip control, high stability and precision Rotate the knob to start the test Can connect two servos or ESCs at one time Three kinds of adjustment modes, manual, auto and meso-position Designed to help you test various problems of your newly bought servo, ESC or motor conveniently SpecificationsOutput ≤15mA Input DC 4.0-6.0v Output Signal 1.5ms±0.5ms Material Metal, Plastic Dimensions (1.81 x 1.26 x 0.67)" / (4.6 x3.2 x 1.7)cm (L x W x H) Weight 0.28oz / 8gPackage Includes 1 x Tester