OPT-OVS-50TNR Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: OPT-OVS-50TNR MANUFACTURER: OPTEX Product Details Hybrid Photoelectric 50' Dual Beam UL325 Compliant 8 Year Battery Product Details Back Product DetailsHybrid Photoelectric 50' Dual Beam UL325 Compliant 8 Year Battery