How much does this cost to the nearest dollar?

Detex Grey Surface Mounted Exit Alarm Piezo Horn Detex Battery Powered Door or Wall Mount Exit Alarm, 2.10 W x 2.375 D x 7.70 L
Detex Series Stand Alone Surface Mount Door Alarm, Exit Alarm Function, Gray Finish Stand Alone Surface Mount Door Alarm Exit Alarm Function Includes Cover CAM Lock, Keyed #11 2-3/32 x x 2-3/8 Unit Dimension 100 Decibel Alarm 9V Battery Power Source 3 Year Warranty 3 Year Warranty Color Grey, Brand Detex, Power Source Battery Powered, Batteries 1 9V batteries required., Voltage 9 Volts, Is Discontinued No, Dimensions 11.65 x 4.8 x 2.99 inches; 1

Price is $179.00
Price: $178.86