Thank you for viewing. This item was received from someone else. When I put batteries in the controller and turned it on, the needle moved from red to blue. I have no other knowledge about this product. I will not be able to answer any questions. Please understand this beforehand. ◎ Please check the photos as they show everything. ◎ If it doesn't work, please use it for parts. ◎ Please consider purchasing, keeping in mind that it may not even be usable for parts. The box is torn and dirty. ● Please refrain from purchasing if you are looking for a new-like item. ● Please refrain from purchasing if you are nervous about used items. ◎ We will use recycled materials for packaging. Thank you for your understanding. Se-004 7.8.7