Features: - Adopting the all new diaphragm pump. By calculating & testing, the smoke/gasoline ratio is controlled in a reasonable range for sufficient atomization, and airplane won't be polluted. - Adopting low power motor, the smoke pump can be directly powered by receiver. No need of extra batteries. The pump weights only 68g. - Directly driven mode, no need of complicated program settings, just need 1 switch channel for controlling.
RCEXL Mini Smoke Pump/ Smoking Pump With Adjustable Flow for Airplane