It's radiolink 2.4G 4CH integrated gyro RC4G transmitter with R4EH-G receiver.it has integrated Gyro,which is used to assure the stability of cars on turning status and keep on straight running even the cars get some mechanical phantom. Gyro function can be enabled or disabled.
technical parameters:
dimension:213 x 117 x 115.5mm
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-G receiver
1 x manual