Ideal for installations where wiring can not be carried to the transmitter as it can be powered by battery or cable. Detection distance: 20 meters. Transmitter power: 12-24VAC / VDC or CR2 3V battery. Receiving power: 12-24VAC / VDC. Degree of protection: IP54. Alignment mode: Automatic. Self-aligning angle: 7º to 15 m and 13º to 5m. Horizontal mechanical adjustment angle of +/- 90 °. Obstacle detection time: 40 m / s. Operating temperature: -20ºC to + 55ºC. Installation in wall or column.