For Surface Models (01102240-1) 2.4 GHz FASST-C2 SIZE:35.1 mm x 23.2 mm x 8.5 mm1.38 in x 0.91 in x 0.33 in WEIGHT:8.0 g0.28 oz OPERATING VOLTAGE:DC 3.7V-7.4V( DISCONTINUED) Futaba R614FS FASST 4-Channel 2.4GHz ReceiverSKU: FUT01102240-1$114.95PriceQuantity*Out of StockNotify When Available