PowerBox PBS Vario DigiSwitch or a USB adapter from

or a USB adapter from another manufacturer such as Multiplex or Jeti

and convert it into a movement of the control surface

interlocking with the engine formers

but without an exposed On / Off switch

PowerBox PBS Vario DigiSwitch or a USB adapter fromPowerBox PBS Vario Climb rate measurement with 0. 1 m s accuracy Altitude measurement with 0. 1 m accuracy Temperature measurement Compact dimensions Low weight Supports the following telemetry systems: PowerBox PBUS, Jeti EX Bus, Futaba S. BUS2 The PBS Vario is an extremely precise climb rate and altitude sensor for use with the PowerBox CORE, but it is also suitable for other telemetry systems. The PBS Vario is based on the latest generation of MEMS