Rate Gyro for DRIFT RC Cars: Steering Use (01102373-3)Only for Futaba digital servo (SR compatible). The GYD470 has been designed for use with Futaba Transmitters, receivers and servos. GYD470 may not work properly with other non-Futaba combinations.Features:Dedicated RC drift car settingRemote gain function and mode switching functionIntegrated, compact, and light weightEasy setupSupports S.Bus/S.Bus2 ConnectionFeatures:OPERATING VOLTAGE: DC 4.2-8.4VSIZE: 20.5 mm x 20.5 mm x 11 mm (0.8 in x 0.8 in x 0.43 in)WEIGHT: 3.7 g (0.13 oz)SR compatible