How much does this cost to the nearest dollar?

Z-Wave Plus Smart Light Dimmer Plug, Built-in Zwave Repeater/Range Extender, Zwave Hub Required, Works with SmartThings, Wink- ZW39
Hassle-free Operation Plug the smart outlet in, can control and dim your lights from anywhere, schedule a timed event or create a custom scene from anywhere in the world, at any time of the day. Adjust brightness level from Manual & Remote Control,come on or turn off via a schedule, cuts energy costs and extends bulb life. Plug and Play The wall plug adds to your Z-Wave hub in minutes. Z-Wave Plus dim control for 120V light devices, max loading 500W. Works with Alexa for voice control (Alexa device and hub sold separately). Compatible with the following

Price is $31.00

Price: $30.99