Reach 12 meters. EN50131 Grade 3 Certificate. The iWISE™ QUADSEQ Grade 3 has two non-overlapping coverage patterns and two independent alarm outputs. It incorporates triple end-of-line resistors to simplify installation. Two non-overlapping coverage patterns. End of line resistors Triples incorporated, selectable by bridge (jumper). Optional Accessories: Wall bracket with rear tamper, wall / corner ball joint, ball joint. Interior installation, mounting height from 2.10 to 2.70 meters. Power: 9 to 16 VDC. Maximum consumption: 36.5 mA. Dimensions: 127.6 x 64.2 x 46.6 mm.