Alarm, a sonic alarm using a powerful Buzzer. Features: 100dB Loud Sonic Buzzer Alarm Extremely low consumption. Thick PC Board so that ceramic components don’t crack from vibration or torsion when fastened ...

doesn't cost a whole lot, and its convenience value is enormous. This handy accesory allows modelers to charge up their airplane's receiver packs without having to remove the wing to access the ...

Trigger Magnet Holder and Spur Gear Magnet. This component installs onto the spur gear and holds a magnet that is detected by the RPM sensor (TRA6520, TRA6522) to provide RPM data. Package ...

nsor. This capable sensor offers the ability to measure power consumption (mAH) and power (W). With Smart Port compatibility this provides accurate battery level status via telemetry to your compatible FrSky transmitter. With installed ...