SunTail 550 EXP Aircraft LED Strobe Position Lights Voltage:14V the side tone function allows

the side tone function allows you to monitor your own transmitted voice via the connected headset

but they require the addition of a suitable GPS source to exploit this surveillance technology

that enables communication between existing avionics and up to four compatible mobile devices running Garmin Pilot

500 MFD Features:

SunTail 550 EXP Aircraft LED Strobe Position Lights Voltage:14V the side tone function allowsSunTail 550 Experimental Aircraft LED Strobe Position Lights SunTail serves as an LED Anti Collision Strobe and Position Light designed for the tail of the aircraft. SunTail can synchronize its strobe with any of AeroLEDs LED lighting products. TSO Airplane Strobe Lights SunTail does not require an external power supply and will retrofit the mounting footprint of legacy lighting. It meets and exceeds TSO C30c Type III and TSO C96a Class II.