HY-4 Smart Lock bụ ihe nchekwa nchekwa ụlọ na-arụ ọrụ dị elu nke na-egosipụta mmecha nickel na-egbuke egbuke na ihe owuwu zinc alloy na-adịgide adịgide maka iji ogologo oge. N'ihu panel jikoro 161.5 × 73.3 × 30 mm, na azụ panel bụ 168.5 × 72.5 × 51.2 mm, adabara ọkọlọtọ osisi na metal ọnụ ụzọ na a ọkpụrụkpụ nke 35mm ka 55mm. Ejiri ya na ihe mmetụta mkpịsị aka nke semiconductor, ọ na-akwado akara mkpịsị aka 50 nwere ọnụego nnabata ụgha nke na-erughị 0.001%, na-enye ma mma yana nchekwa kwalite.

HY-4 na-enye ohere maka ntinye okwuntughe nke nkeji 6 ruo 16, nke a na-ahazi iji jide okwuntughe 100, yana njirimara koodu mebere maka nchebe agbakwunyere. Na mgbakwunye na igodo mmetụ aka capacitive, ọ na-abịa na igodo ọrụ abụọ dị ka ndabere maka ihe mberede. Ejiri batrị AA anọ kwadoro ya, ọ nwere ogologo ndụ ihe dịka ọnwa iri. N'ikwekọ na ọkọlọtọ ANSI BHMA A156.25, ọ na-arụ ọrụ na oke okpomọkụ nke -35 ℃ ruo + 70 ℃, na-eme ka ọ gbanwee na gburugburu dị iche iche. HY-4 na-emeghe ngwa ngwa n'ime naanị 1 sekọnd, na-enye ahụmịhe onye ọrụ echedoro, dabara adaba na nke ọma.