How much does this cost to the nearest dollar?

Optex AX70TN Weatherproof Infrared Beam Motion Detector, 70'
With this outdoor infrared beam detector you can provide extra security to your home by creating a fence you can not see up to 70 ft. long outdoors (165 ft. indoors). Mount transmitter and receiver up to 165 ft. apart When beam is broken NC contacts open Dual pulsed IR beams reduce false alarms Resistant to rain, fog, snow and frost Automatically adjusts trigger sensitivity level for slowly changing weather conditions Wiring Wired Manufacturer Smarthome Technologies, Part Weight 2.21 Pounds, Dimensions 3 x 8 x 7 inches, model number Is Discontinued No, Power Source Battery Powered, Quantity 1, Mounting Type Wall Mount, Rank Electronics Motion Detectors 938, Available February 13

Price is $130.00
Price: $129.91