Optional for manufacturing, camperization:

Single bed
Double bed
Dinning room
Storage furniture
Propane Gas Cooker
Camping Gas Cooker
Portable WC Cassette type
Water Pond, Water Pump and Sink
12V Auxiliary Battery Deep Cycle
Solar panel
12V to 220V inverter
Solar shower
Portable Gas Heater
Fixed or opening windows
Upper hatch
Luggage rack
Auxiliary Fuel Bottle
12V or Gas Refrigerator
Second Spare Wheel with base
Gray water tank
Rear Seat Belts
Thermal insulation and interior lining
Wood floor with vinyl finish, Laminated Floor, carpet or rubber
USB ports in the vehicle or Camper
Led Patio or work area lights
External 220V connection for auxiliary battery recharge
Suspension reinforcement for heavy load capacity
Outside awning
Decorative exterior graphics or Branding
Offroad accessories
Anchor points and electrical connections for campers