This is a Ryfield model "1/35 US Army M551A1/TTS Sheridan" plastic model.

The M551 Sheridan is an amphibious airborne tank used in the United States Army.
The M551A1 is an improved model that has been improved from 1967 to 1970 with new laser projection equipment, equipped with ballistic computers and environmental sensors and enhanced NBC protection equipment.
This increases the weight to 16t.
The M551A1 TTS (Tank Thermal Sight) is a type equipped with an AN/VSG-2B heat-ray video device that is the same as the M60A3 TTS).
Finally, all M551A1 have been modified by TTS

This kit is "2 in 1" specification that you can choose to recreate either the M551A1 or M551A1 TTS.
The belt is easy to assemble with "link and length" type.
Includes clear parts, etched parts and decals.

This product is a plastic model that requires assembly and painting.
Adhesives, tools, paints, etc., are required for assembly and painting.
"Plastic Model" is a registered trademark owned by the Japan Plastic Model Industrial Cooperative Association.

(From Amazon.co.jp)