Dual passive infrared managed by microprocessor advanced technology, wireless, battery powered, typically used for outdoor protection of balconies, porches, covered locations, etc. Typical range 12 m, detection at 80? and single plane for each optic. Possibility to obscure areas not involved in detection and to orient the lower optic angle detection; alarm condition occurs when both optics are affected by the event. It includes interdiction time, selection of impulses and sensitivity, test of both sections. It transmits a supervision signal. Polycarbonate case and Fresnel lenses made of a material ispecially resistant to UV rays. Radio range: 300 m in open field, external directional antenna can be connected (see accessories).