This is the Hitec HTS-Voice 2.4GHz Telemetry Voice Announcing System.
FEATURES: Compatible with Hitec AFHSS 2.4GHz radio systems
Provides audible telemetry data via speaker or earphones
Allows flyers to hear the status of receiver battery, SPC voltage,
speed, altitude, RPM, temperature, fuel, current and wattage
Two year limited warranty from date of purchase against
manufacturing defects
INCLUDES: Hitec HTS-Voice 2.4GHz Telemetry Voice Announcing System with Wire
Connector, four Mounting Screws and Instructions
REQUIRES: Aircraft equipped with Hitec telemetry sensors and HTS-SS Sensor
station
AAA Batteries: Three