How much does this cost to the nearest dollar?

Extech 44550 Pocket Humidity/Temperature Pen, Green
EXTECH INSTRUMENTS 44550 Pocket Humidity/Temperature Pen Built in sensors provide simultaneous readings of relative humidity and temperature Humidity 20 to 90 percentRH Temperature 14 to 122 Degrees F or 10 to 50 Degrees C Simple operation Max/Min with Clear function Manufacturer Extech, Part 44550, Weight 0.05 Kilograms, Dimensions 0.8 x 0.7 x 5.9 inches, Country of Origin China, model number 44550, Batteries 1 Lithium Metal batteries required. (included), Is Discontinued No, Color green, Quantity 1, Of Pieces 1, Measurement Accuracy Mounting Type Tabletop, Included Components Ex

Price is $

Price: $45.99