Check the listing for details. 2.4G 4-CH 110m Wireless Servo Motor Controller Board Ultra-mini Remote Control. Condition: New. Listed at 19.59 USD. Description 2.4G 4-Channel 110m Wireless Servo Motor Controller Board Ultra-mini Remote Control for Mechanical Arm Features: - Can be controlled using a joystick potentiometer. - It can control 360 degree and 180 degree servos, and can control brushless motors through ESC. - The wireless robotic arm controller can use a potentiometer to control the servo, and the rotation of the servo is completely synchronized with the potentiometer. If the servo is made into a robotic arm and the potentiometer is made into a joystick bracket, then we can DIY a joystick and robotic arm that move synchronously. It is very convenient to operate a robotic arm. - Up to 4 potentiometers can be connected to control 4 servos, which means a robotic arm with 4 degrees of freedom can be controlled. - This product is mainly intended for customers who DIY wireless focus trackers and wireless gimbals. If you use MG995 servo (not included), the effect will be better. - Precaution: The wireless module has been tested in an open area for about 100 meters, and if there are walls or other obstacles, the distance will be reduced. Package Included: - 1 x Transmitter Board - 1 x Receiving Board - 1 x Pair of 110m NRF24L01 Wireless Module (with Antenna) Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyers responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your countrys customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please dont be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.