DESCRIPTION: This listing is for five (5) pairs (10 pcs total) Side Looking, 940nm IR LED Pairs, Emitting Diode SIR4045 and Phototransistor SGPT4045. Specs are shown in the photos, so please see those as they are an important part of the description.
Free USPS First Class Letter Mail Shipping without Tracking. This sometimes takes 8 to 12 business days in spite of what the post office claims.
If Tracking is important choose the USPS Ground Advantage option at check out. Separate orders will be combined.
Please see my other listings for more items of interest. Questions will be answered ASAP.