This transom housing comes with two 500kg electro-magnetic locks (V5NU). Transom housings offer a neater and more aesthetic finish to maglock installations. The transom is fitted into the door frame, with the maglocks fitted inside the housing. This model is 2m in length, mounts horizontally, and includes two cut-outs and two electro-magnetic locks. The AH5 series of housings can only be used with the V5NU maglock.