HFP-30 Digital Servo Programmer and Universal Servo Tester from Hitec - HRC44427
Control your RC servos with ultimate precision using the HFP-30 Field Programmer. Packed with advanced features and a crisp, readable LCD screen, this versatile device offers precise programming for all Hitec digital servos. With a broad voltage range of 4.8~8.4, you'll experience new levels of reliability and accuracy in your RC projects. Revolutionize your RC experience today!
Requires:

2S LiPo battery - See manual