How much does this cost to the nearest dollar?

ismartgate LITE Smart Gate Opener Remote, APP Control, Compatible with Apple Homekit, Amazon Alexa, Google Assistant and IFTTT. Compatible with All Gates. Wireless sensor included.
Compatible with all Gates and Roller Garage openers (You can only control 1 door). Easy installation with our Online Step by Step Guide. You only need to wire the ismartgate to your opener's motor or wall button directly and attach the included sensor to your gate. Remote Access Open and close your Gate from your Android phone or iPhone via the ismartgate access app. Anywhere. Anytime. Gate Alerts through our highly sensitive Wired sensor you can get notified in real time when your gate is open, closed or left open. Smart Home Integration (with Voice control available) Compatible with Apple Home

Price is $139.00
Price: $139