Feature:1. The device expands it to 5002500us to achieve the purpose of rotating 180 degrees.2. Suitable for remote control car, boat and robot, it is easy to install and detach.3. Mini, portable and lightweight, simple to operate and convenient for storage.4. Used to extend the servo angle, the angle is initially controlled to 90 degrees, and then expanded to control 180 degrees.5. Made of high quality material, which makes it durable, sturdy and has a long service life.Specification:Item Type: Servo Angle ExpanderMaterial: Electronic ComponentColor: As Picture ShownLength: Approx. 134mm/5.3inWeight: Approx. 4.0g/0.14ozApplicable Voltage: 3.6-16VQuantity: 1PcsApplication: RC Car/Boat, Robot, etc.How to use:The servo is usually 180 degrees, but the remote control can only rotate it 90 degreesThe remote control pwm output is 1000-2000us, at this time the steering gear can be rotated 90 degreesThe device expands it to 500-2500us to achieve the purpose of rotating 180 degreesPrerequisite: The steering gear can rotate 180 degrees in the range of 500-2500us..Package List:1 x Servo Angle ExpanderNote:Used to extend the servo angle, the angle is initially controlled to 90 degrees, and then expanded to control 180 degrees.It does not directly change the 90 degree to 180 degrees.