Quanum 20A Multi-copter Brushless Speed Controller (Original) 1M Cermet(Pack of 5) or use a shade or

or use a shade or hood to block ambient light

and light materials

Yes - Over-Voltage Protection (OVP)

Elevated placement on rooftops significantly improves coverage

Quanum 20A Multi-copter Brushless Speed Controller (Original) 1M Cermet(Pack of 5) or use a shade orQuanum 20A Multi copter Brushless Speed Controller (Original) Quanum 20A Multi copter Brushless Speed Controller (Original) This is a Quanum 20A Multi copter Brushless Speed Controller (Original). The power input uses extremely low output resistance greatly enhances power stability and has a protective effect on the battery. It has a separate voltage regulator IC for the microprocessor & provides good anti jamming capability. The Quanum 20A Multi