1. It is very comfortable to control the transmitter stick, it makes the flight very smooth. 
2. Regarding to plane, the transmitter gets V-Tail mixing controlling function. 
3. RF range: on ground 400M, in air 900M. Excellent anti-interference capability. 
4. It got low-voltage alert function; the alert would be triggered with twinkling LED light when the voltage is lower than 8.6V. 
5. Regarding to Lama helicopter, this transmitter with 4 in 1 controller can make helicopter head-locked stably, fly smooth. It is more suitable for beginner to use.

For OEM order please email to:sales@radiolink.com.cn

Transmitting on 2.4Ghz band. 
Operating system: 2-stick, 4-channel system, 1&2 channel mixing optional. 
Modulation: FHSS 
Power supply: 9.6V Ni-Cd battery or 12V alkaline battery. 
Current drain: ＜80mA