If you are looking for cheaper ones I am Opn Bx ones once again. Look for the same title but it will say **o.p.e.n. b.o.x.** before the title (minus the periods...that's an ebay thing). They will cost you one Andrew Jackson unless you buy more than 1. 
Thanks
Gary

*** If you are buying more than 10 I will give a special discount. Please message me for more details. ***

*THIS IS NOT A GEN5+...it's only a Gen5*

Aeotec Z-Stick Gen5, Z-Wave USB to Create Your Own Z-Wave Hub, SmartStart and S2 Enabled, Works with Raspberry Pi 4, Compatible with SmartThings, HomeSeer and Others.

About this item

• Supports all Z-Wave compatible devices and networks
• Built-in push-button and battery enable it to be used as a hand-held controller for remote network creation
• USB (2.0) powered (also recharges battery)
• Compatible with Linux, Mac, Windows XP, Vista and Windows7 systems

Technical Specifications
https://aeotec.freshdesk.com/support/solutions/articles/6000167094-z-stick-gen5-technical-specifications

WARRANTY - if you have any issues within the first year send me a message. I will get you a replacement.