Subject: Pls check these 2 links.
From: Anas Mohammad <[email-masked]>
To: Subir Chakma <[email-masked]>
Date: Fri, 9 May 2014 14:29:30 +0530 (IST)

http://www.ebay.com/itm/WLtoys-WL-V911-V929-RC-Helicopter-Remote-Controller-Transmitter-Mode2-Spare-Part-/161198935291?pt=Radio_Control_Parts_Accessories&hash=item2588348cfb

http://www.ebay.com/itm/WLtoys-V911-2-4GHz-BNF-Remote-Radio-Control-Helicopter-4CH-GYRO-Heli-Blue-White-/310802824406?pt=Radio_Control_Vehicles&hash=item485d4abcd6
-- 

Best Regards 
Anas