Bayani
1. Halaye: Daban-daban nau'ikan kejin kama an tsara su bisa halaye na dabbobi daban-daban. Suna da girman kamawa kuma ana iya ci gaba da kama su na dogon lokaci. Babban hankali na tsarin ƙofar keji yana bawa dabbobi damar shiga kawai amma ba fita ba. Ɗauki ƙa'idodin inji mai tsabta don kama duk dabbobi masu rai, guje wa gurɓataccen muhalli.
2. Material: Ya yi da high quality-karfe waya welded, tare da surface fesa magani, kyau, m, lalata-resistant, kuma kasa yiwuwa ga tsatsa.
3. Kore da kare muhalli, ba gurbata muhalli ba, kuma yana da aminci ga mutane da dabbobi. Wannan yana guje wa amfani da kwayoyi a wuraren da mutane ke mutuwa a cikin wahalar share sasanninta da haifar da warin jiki. Ƙaƙwalwar ɗaukar hoto mai ninkawa ya dace don ɗaukarwa, tare da ƙaramin yanki mai dacewa, ci gaba na dogon lokaci, mai sauƙi da sauƙi don aiki, tsari mai sauƙi, tattalin arziki da dorewa, kuma yana da aikin tarko, wanda ya dace da aiki.
4. Fa'idodi: Tsarin bayyane na kofa biyu na iya rage fargabar dabbobi sosai bayan an kama su, ta yadda za a rage tasirin sauran dabbobin da ba a kama su ba da kuma inganta yawan kamawa.
5. Ƙa'idar aiki: Lokacin da dabbobi suka wuce ta wata kofa mai sassauƙa ta musamman kuma suna jin daɗin abinci cikin aminci, za su taɓa ƙafar ƙafa, kunna injin, kuma kofofin biyu za su kulle kai tsaye a lokaci guda, ta yadda za su kama su.