All metal electric excavator
23 pounds 
2S battery 
https://youtu.be/Pw_lv_s-su4
Disclaimer:  you must handle with care in order to insure functionality.  
1- sticks/gimbals/gyros must be centered on control before start up.  
2- machine is not meant to be wet 
3- turn table motor is not meant to push, pull, or have restraint against movement.
4-we will only provide parts for first 14days and no trouble shooting