This is a package of Hitec Atom 3ch 2.4GHz Micro Receiver with the Spectra 2.4GHz DSSS Module. FEATURES: Very compact and lightweight receiver Hitec M-BODA (Mini-Boosted Omni-Directional Antenna) Compatible with all Hitec/Futaba module type surface radios LED status indicator Smart Link system for easy and fast linking Two year limited warranty from Hitec on both components beginning at date of purchase INCLUDES: Atom 3ch 2.4GHz Micro Receiver with Instruction Manual and Spectra 2.4GHz DSSS Module REQUIRES: Compatible surface radio system SPECS: Receiver; Dimensions: 1.22 x 0.75 x 0.47" (30.99 x 19.05 x 11.94mm) Weight Ounces: 0.24 Weight Grams: 6.80 Spectra 2.4GHz DSSS Module; Dimensions: 2.3 x 1.5 x 0.79" (59 x 37.3 x 20mm) jxs 12/27/11 ir/jxs