OPT-LSH-20 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: OPT-LSH-20 MANUFACTURER: OPTEX Product Details D Cell 3.6V Lithium Battery (Replacement batteries for TFR/QFR series wireless beams) Product Details Back Product DetailsD Cell 3.6V Lithium Battery (Replacement batteries for TFR/QFR series wireless beams)