2.4G wireless audio and video transmitter module,it is not have the small fan inside,the quality is the best ,fast delivery time

2.4G 500mW 8 channels Audio/Video transmitter module 

Brief descriptions:

a.2.4G 500mW 8 Channel AV Transmitter Module (2370-2510MHz; 8channels )
b.Modulate: Wideband FM Modulate 
c.Video Format: NTSC/PAL

d.transmitting distance:further than 4000 metres

e.frequency control:built-in frequency and phase lock loop   

f.AV input:analog AV signal input 

g.dimension:28*24*7mm