This is the Traxxas TQi 2.4GHz 5-Channel Receiver with Telemetry.
FEATURES: Compatible with all Traxxas models that include the TQi telemetry
May also be used with all current Traxxas TQ 2.4GHz transmitters
with black cases and satin chrome or black steering wheels
INCLUDES: Traxxas TQi 2.4GHz 5-Channel Receiver with Telemetry
SPECS: Dimensions: 1.5 x 1.02 x 0.43″ (38 x 26 x 11mm)
Weight: 0.35oz (10g)