2.4GHz 6CH DSM2 MK610 RC Receiver Compatible with AR6100 for Spektrum DX6i DX7 DX8 DX9 Transmitter JR DSX7 DSX9 Radio Features: Ultimate 2.4GHz receiver for small electric models, including miniature foamies and 400-size class helicopters. Utilizes advanced digital spread spectrum modulation technology. Compatible with Digital Spread Spectrum Modulation 2 aircraft radios and modular systems. Wide input voltage range allows operation from 3.5V to 9.6V. Works with all Spektrum and JR aircraft radios, including JR12X, 11X, X9503, X9303, Spektrum DX10t, DX8, DX7s, DX7se, DX6i, DX5e, and modular systems. Can replace AR6100 receivers and functions reliably. Specification: Number of channels: 6 Modulation method: DSM2 Size: 1.9 x 3 x 0.9 cm Weight: 3.5g Voltage range: 3.5V - 9.6V Antenna length: 2 x 30mm each Package includes: 1 x MK610 receiver 1 x binding plug