For specific ESC support, please check the ESC manual or official website technical parameters.Support all ESC models that can be used with the original WIFI setting card.Wireless connection to smart phones, powerful dedicated APPProduct name: OTA ProgrammerWorking voltage: 5-12.6VSupport Bluetooth version: above 4.0Bluetooth signal effective distance: 0- (open area)Scope of application:Brushless ESCs for some Rc vehicles of XERUN and EZRUN series;Brushless ESCs for some UAV models of the series;Some Rc boat brushless ESCs of SEAKING series;Material: Plasticcolour: BlackPackage Contents:1 x OTA ProgrammerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.