DB151A is a functional recessed batten light which could do different length customization. Special structure design with different covers, splicing shapes, recessed ways. For cover design, it has PC diffuser, prismatic diffuser for option. Six kinds of splicing design for multiple installation demand.(straight connector, X-shape connector, T-shape connector, L-shape connector for positive angle, exterior angle and interior angle.) For recessed ways, it has two types accessories with H-shape and N-shape , which could be used according to different application areas.