This is not an ordinary rotiserrie, with the application of physics this state of the art equipment can transfer heat efficiently while consuming less electricity. The air is fed into the cavity giving the chicken the crispiness and taste that many desire. The double glass doors are transparent to show the prefection of the meat and is insulated for contact temperatures below 70 degrees. It is available in TDR Manual a rotiserrie with 5 or 8 spit and its younger brother the TG 4 with 4 spit.