Features Telemetry Capable 2.4GHz 4-Channel Receiver Telemetry Functions include RPM, TEMP, SPEED & VOLT Built in GPS for Speed Telemetry User Selectable Normal (14ms) or High Response (7ms ) Frame Rate Fail-Safe / Hold Function Supplementary Power Connection (SPC) Wide Operating Voltage: 4.8~35VDC Dimensions: 1.7 x 1.1 x 0.65 in. (43.3 x 27.6 x 16.5 mm. Weight: 0.71 oz. (20g)