DJI Controllers Compared - Spark vs Mavic Air vs Mavic Pro - A close look at physical differences

Do you own a DJI Spark, Mavic Air or Pro? Do you ever wonder what the hand held controllers of the other drones look like? The controllers for the DJI Spark, Mavic Air and Mavic Pro look pretty much the same at first glance, but when compared, there are some striking physical differences.

BELOW IS THE GEAR I USED TO CREATE THIS VIDEO:
DJI Spark: https://amzn.to/2H2JV7c
DJI Mavic Air: https://amzn.to/2HDeC3Q
DJI Mavic Pro: https://amzn.to/2JMRLn7
CAMERA: Canon 80D: https://amzn.to/2vfgzRn
CAMERA: Panasonic 4K Camcorder: https://amzn.to/2vgpK4h
LENS: Macro: https://amzn.to/2r51bBW
AUDIO: Rodelink Wireless Professional: https://amzn.to/2HAKYfE
TRIPOD: Manfrotto: https://amzn.to/2IVyRt0
TRIPOD: SMALL Gorillapod: https://amzn.to/2IXmMDu
LIGHTING: Studio Softbox: https://amzn.to/2GZTPX6
MIC: SONY Lapel Mic: https://www.amazon.com/Sony-ECMCS3-Om...