Hotraco Agri offers the Classic iNSight2 pregnancy detection system. The unit is specifically designed for swine application. It has only two controls on the unit: on/off and two buttons to adjust display brightness. The unit uses regular rechargeable AA batteries and weighs 600 grams in total. The unit can detect gestation in 19 days, with a scan depth of 6 inches and scan angle of 90 degrees, according to the company.