How much does this cost to the nearest dollar?

Liftmaster Garage Door Openers Safety Sensors
The sensors are replacement safety sensors (infrared eye) for 1990's operators with the safety sensor option. Billion code series with the green LED light, not compatible with sensors that have red LED lights, if your sensors have a green light on one sensor and an orange light on the the other, you need the sensors. For garage door openers that currently have sensors installed sensors are compatible with LiftMaster and chamberlain brand from 1993 - late 1990's Each sensor has a green light and a bolt that runs right through the center of each sensor Designed to splice into your existing wires Includes unit, unit, wire connectors and instructions - no brackets Manufacturer Liftmaster / Chamberlain, Part Weight 0.08 Pounds, Dimensions

Price is $44.00

Price: $43.95