This is the Futaba R203GF 2.4GHz S-FHSS 3-Channel High Voltage Surface Receiver. FEATURES: S-FHSS/FHSS auto detection Normal and High-Speed Modes: Normal mode frame rate is (FHSS/S-FHSS) 13.63ms and accepts any type of servos or peripherals. High-Speed mode (in 4PL tx only), with an output of 6.8ms accepts digital servos including the BLS series and most peripheral equipment such as brushless ESCs One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: Futaba R203GF 2.4GHz S-FHSS 3-ch Receiver with Instructions REQUIRES: Installing in model and linking to transmitter SPECS: Dimensions: 1.54 x 1.02 x 0.39" (39 x 26 x 10mm) Weight: 0.28oz (8g) Operating Voltage: 4.8 - 7.4V (shared with servo) Battery Fail Safe Voltage: 3.8V* Current Drain: 30mA at no signal *Battery fail safe voltage is set for 4-cell NiCd/NiMH battery. Battery F/S does not work properly when other type of battery is used COMMENTS: Not compatible with Futaba FASST systems. jxs 06/08/11 ir/jxs