From the manufacturer:
https://taxaoutdoors.com/wp-content/uploads/2019/04/2019-Mantis-Manual.pdf

-7 pin connector-Autowbrake wireless proportional brake controller with keychain remote
-Tires in great condition, under 500 miles of use
-extra fuses in varying amps
-Truma Combi combined propane furnace and hot water heater
-shower curtain
-convertible bunk
-Thetford Cassette Toilet
-Single deep cell 12-volt battery
-Battleborn drop in Lithium battery. Currently not installed.
-Renogy 100 Watts 12 Volts Monocrystalline Solar Starter Kit-Renogy 20A DC to DC Battery Charger
-Solar Panel Connectors 10AWG Compatible with MC4 Connecter to SAE Adapter PV Extension Cable Wire for RV Caravan Solar Panels Battery Charger kit with Two SAE to SAE Polarity Reverse Adapters
-lG Air conditioner
-Dometic Refrigerator
-Thule Roof Rack
-ARB 813108A Awning Room (Deluxe w/Floor 2500mm x 2500mm Heavy Duty) for ARB Awning 814101 or ARB4401A
-Craftsman ratchet wrench set
-Haloview backup camera with smart battery pack- 30 amp adapter cord
-4” tri fold memory foam mattress topper