Single-Beam Sensor offers 35 ft range.
Press Release Summary:

Original Press Release:
Seco-Larm's New 35-Foot NIR Photoelectric Beam Sensor Now Available
IRVINE, CALIF., June 1, 2002 - SECO-LARM U.S.A Inc. is now shipping the E-931-S35RR Photoelectric Beam Sensor with 35-foot range.
This single-beam sensor includes transmitter, reflector, two mounting brackets and mounting hardware. In addition, it incorporates "dark on" operation (the relay energizes when an object is detected in the beam).
Typical applications include: safety sensor for garage doors, overhead doors, or outdoor gates; industrial automation detector for small objects on a manufacturing line; or entry detector for store fronts.
Additional features include: 12-240VDC or 24-240VAC input power, 6-foot pre-wired cable, weather-proof construction (for indoor or outdoor use), and a Form-C alarm relay contact (N.O./N.C.).
The E-931-S35RR is the newest addition to SECO-LARM's ENFORCER SENSOR line of products. For more information about the ENFORCER photoelectric beams or any of SECO-LARM's full line of residential and commercial security systems and accessories, or to request our latest catalog, please contact the SECO-LARM Sales Department: (949) 261-2999 (California), fax (949) 261-7326 or (800) 662-0800, or visit us on the Web at seco-larm.com.