As a UAS provider, G7 air often purchases aircraft to use as demo models. After a short period, the demo models are offered for sale at a fair price.
 
All have very low hours, in many cases less than 10, and have been professionally maintained. 
 
Currently, we have the following offerings.
 
1 - Autel Evo II V1 rugged bundle
1- Autel Evo II V2 rugged bundle
1- DJI Inspire V1
1- DJI Phantom Pro 3
1 -DJI Mavic Enterprise Advanced
1- DJI Avata V1
1- DJI Mini 
1 -DJI Pro V1
 
As well as several others call for details