RadioLink RC4G 2.4G 4CH Radio Control System Transmitter w/ R4EH-G Receiver RadioLink RC4G 2.4G 4CH RC System Transmitter w/ R4EH-G Receiver for RC Car Boat RadioLink RC4G 2.4G 4ch Transmitter Receiver R4EH for RC Car Boat Radio RadioLink RC4G 2.4G 4CH RC System Transmitter with R4EH-G Receiver for RC Car Boat Features: 100% brand new and high quality RadioLink RC4G 2.4G 4CH Radio Control System Transmitter w/ R4EH-G Receiver 2S-4S Lipo Battery Power Supply. Operate current lower than 90mA. Distance 260M ground. 2048 stage resolution. Multiple throlttle and servo curve. A.B.S Pulse brake. Programmable mix control. Throttle Accelertation. Specifications: Package size:27 * 20 * 14cm / 10.6 * 7.8 * 5.5in channel:4 suitable model type:model car/boat antenna length:106mm LCD screen:128*640 resolution,LCD backlight power supply:6V--18V DC (1.5AA*4);2S--4S lithium battery suitable lipo battery size:less than 90 x 60mm RF power:under 10 dbm frequency:2.4GHz 10 model memory storage work current:80--120mA channel resolution:2048 low voltage alert:with (lower than 4.6V),can be settled when using 2S--4S lipo battery time response:12ms RF range:260m mix control:mix programmable gyro:Gyro integrated Hi-voltage servo:support parameter:self-setting throttle speed:self adjustable Package Included: 1 x RC4G transmitter 1 x R4EH-H receiver 1 x Chinese manual 1 x English manual