This is the 3-Channel 2.4GHz ARX300 Receiver from Arrma. FEATURES: Used with the ATX300 2.4GHz radio system supplied with the Arrma Raider, Fury, ADX-10, Vortex, Granite and Fury INCLUDES: 3-Channel 2.4GHz ARX300 Receiver SPECS: Dimensions: 1.3 x 0.82 x 0.51" (34.1 x 20.8 x 13mm) jxs 11/10/11 ir/jxs