Hong kong based WAVIM shows Android/iOS operated wireless Tanks with camera which has 2 hours of back and wifi and bluetooth built in and can view camera from you mobile phone and tablet from android or apple ios.they also offered bleutooth based tank but that is without camera .they have nano miniature video monitor tanks too.also offers baby monitor with wifi and bluetooth.they are currently selling Europe for 119-149€.
Filmed at the HKTDC Hong Kong Electronics Fair (Spring Edition) 2013