The KO Propo EX-NEXT Black SP 2.4GHz Radio System is packed with so many features you aren't going to know what to do with them all. The most impressive of these features has to be the XT Advanced Mode, which gave KO Propo the world record title in communication response. Along with a world record in speed, the EX-NEXT Black SP comes painted in a luxurious black pearl and coated in a matt texture for a soft sumptuous feel.Important Notes:Can not use LCD expansion unit EXP-104.Use of LiFe or LiPo batteries requires the optional battery stand unit.Not compatible with FHSS or DSSS KR-418FH, KR-415FHD, KR-210S receivers.Includes:(1) EX-NEXT Black SP 2.4GHz Radio System(1) KR-420XT Receiver (Short)(1) Aluminum Steering Wheel(1) Drop Down Extension(1) Expert Grip Unit 2Required to Complete:(4) AAA NiMH BatteriesFeatures:LDT Trigger (Lay Down Trigger)XT advanced modeXT telemetry modeBuilt in XH 3-pin charge portHCS compatible2.1 drop down extension unitIncreased bearings on the steering shaft Intuitive alert function with vibration and full color LEDV2.0 Firmware compatible with MINI-ZLinear steering wheel spring20% increased steering wheel sensorUltra small receiverSpecifications:Voltage: 6.6V-7.4VWeight: 19.8oz (563g)Frequency: 2.4GHzChannel: 4-ChannelModel Memory: 50Compatible Battery: 88x32x18mmCompatible Receivers: KR-420XT/MINI-Z EVO Receiver Unit EX-NEXT MC-8