Stinger Spark Plug (fits 10cc, 15cc SE, 20cc SE, 20cc Twin, 30cc Twin, 40cc Twin) Fuel Tanks total battery voltage (and more)

total battery voltage (and more) via compatible receivers (such as the AR631 included with the BNF ® Basic version) and with spectrum AirWare ™ equipped transmitters

It's also been upgraded with Smart electronics to offer more capabilities than ever before

Quick reverse function

or you can install a 4S battery for more power and unlimited vertical without the need for any modifications or upgrades

Includes a remote mountable bright LED to indicate when the ignition is armed

Stinger Spark Plug (fits 10cc, 15cc SE, 20cc SE, 20cc Twin, 30cc Twin, 40cc Twin) Fuel Tanks total battery voltage (and more)Stinger Spark Plug (fits 10cc, 15cc SE, 20cc SE, 20cc Twin, 30cc Twin, 40cc Twin) Also suitable for YS CDI Ignition systems.