The Programmable Servo Programmer is the key to unlocking all the smart features of the AndyMark Programmable Servos. Description Specifications Documentation The Programmable Servo Programmer is the key to unlocking all the smart features of the our Programmable Servos (am-4954 & am-4955) Switching between continuous rotation, standard servo, and custom angular modes is easy as pressing a button. This programmer can not only program programmable servos, but it is also acts as a standalone servo tester for any standard RC servo. Intuitive operation with LED feedback ---------------------------------------------------------------------------------------------------- Warranty: Email [email protected] and include your AndyMark order number. View documentation for this product on the REV website. Maximum Output Pulse Range: 550 us - 2450 us Power: 4 AA batteries (not included) Programming modes: Continuous rotation, Angular limits, Reset to factory defaults Size: 70.5 mm x 64.5 mm x 35.5 mm Test modes: Automatic sweep, Manual position/direction