Optimizes in remote aircraft maintenance, DIYer robotics projects, or automotive model tuning with its lightweight design Switches between 50Hz analogs and 250Hz digital signals, with overloaded / short circuits protective and broad compatibility for servo / ESC models The remote Digital Servo Tester / ESC Consistency Tester enables simultaneous testing of 4 servo with 2μs precisions, featuring auto / manual mode and LCD display for remote helicopters, car and aircraft Safely signals responsiveness via rotating potentiator adjustments and realtime screen feedbacks, ensuring servo durability across 800μs-2200μs pulses ranges Designs for remote hobbyists, robotics engineers, and technicians requiring precise servo calibration, signals debugging, and ESC synchronization, Manufacturer: XIBEIDIANZI