Detrum Z3 FPV V2 EP RC Airplanes Flight Controller Return To Home RTH w/ OSD 3-in-1 & PMUDetrum Z3 FPV V2 EP RC Airplanes Flight Controller w OSD 3 in 1 & PMU DTM 1011 Detrum Z3 FPV V2 is a first person view flight controller applied on RC aircraft. The important data, such as real time altitude, speed, voltage, posture, and distance, can be shown on the screen with the OSD function in Z3 FPV V2. The PMU(power management module) that supports 2 6S input can provide real time data collection of battery voltage and current while providing a