... consumption. Widely used for window, veranda, aisle and so on.2. Specification1) Sensor: Dual passive infrared (imported), ... optional to select 1.8M, 3.3M, 4.7M on board.3. Installation1). Coding address: preset by manufacture or ... where window, lamp-house, heat thing and so on.It is used for indoor, not for outdoor. ... suggested: 1.5~2.5 m2).When power is on, LED flashes, it has initialized time. Please ...