Infrared detector with automatic signal processing. Lens position adjustable: 0° or 10°. Selectable operating voltage: 12VDC ó 24VAC. Alarm signal duration adjustable. Detects objects from a hand size for card access applications (2m x 1.5m). Detects objects of body size for security applications (6m x 4.5m). Dimensions: 115 x 100 x 35 mm.