Check the listing for details. 2 Cylinder Onboard Glow Plug Driver Controller - One Button Program 2.8mm OS YS. Condition: New. Listed at 49.00 USD. 2 Cylinder Onboard Glow Plug Driver Controller One Button Programming Fits 2.8mm OS YS Fully Isolated WE HAVE NEW GLOW PLUG HEAD LOCK CHOICES This Listing Fits 2.8mm OS YS Glow Plugs FULLY REGULATED TO DELIVER THE SAME 1.2VDC TO THE GLOW PLUG HARNESS NO MATTER WHAT THE BATTERY VOLTAGE IS FROM 6.0V to 12.4V STILL THE BEST ONBOARD RC GLOW PLUG DRIVER THERE IS: Uses a 2 or a 3 cell LIPO, and monitors the battery voltage on each cell if you attach the balance plug But wait....it can also operate with any battery type that is 7.4V to 11.1V nominal that can deliver 500mA to 1A (depending on battery voltage). XT60 battery connector. One Button Programming makes changing the throttle threshold or reversing direction a snap Set the throttle stick on your transmitter at the point you want the glow plug to come on.Press and Release the button on the glow driver to set the threshold. The onboard LED indicator will flash to confirm programming successful. To reverse "direction" AND set the threshold, Press and Hold the button for approximately 2 seconds until the onboard LED indicator flashes twice. It couldn't be any easier. Controllers are shipped pre-programmed to turn on below about 50% throttle. 100% opto-coupled electrical isolation between the engine and the receiver This design is fully opto-coupled with no physical electrical connection between the receiver and either the engine, glow plug, or glow plug battery keeping EMI out of the receiver and servos. Don't be fooled by cheap imitations that not only provide ZERO isolation, but even run the glow plug off of the receiver battery ???Latest Texas Instruments buck regulator technology providing up to 90% efficiency What this means is more flights while carrying less battery weight. A small 950mAh Single Cell LIPO will power the glow plug for 45 minutes! Reverse polarity protection for battery hookup More Head Lock Choices to fit more engine installations High Temp Soft Silicone high strand count wire used for the glow plug pigtail Plug-in replaceable glow plug and led indicator pigtails A replacement wiring harness set can be purchased as needed in case of accident or normal wear and tear. Easy connection to receiver throttle channel with included cable Header connector for throttle servo so no need for Y cable. Bright visible in direct sunlight offboard LED indicator on a 30cm pigtail Mount this somewhere visible to you while starting the engine so you know for sure when the glow plug is powered. Bright enough to easily see while taxiing or flying by. Onboard LED programming / power indicator Microchip AVR MCU Each and every unit tested before packaged and shipped....NO DUDS Condition: Brand New Production Happy to answer any questions FAST FREE USA SHIPPING!