Google Nest WiFi Router/Extender 2 pack 2nd Generation

Used but in great condition. One has a mark on it as pictured.
This product includes 2 router units..Battery Cell Composition: ‎Lithium Ion
Nest Wifi is a scalable and flexible Wi-Fi system. These Nest Wifi devices work together to blanket your whole home in fast, reliable Wi-Fi and eliminate buffering in every room – with coverage up to 4400 square feet.[1]
1 Wi-Fi router plugs into your internet provider’s modem to create your Wi-Fi network. The other extends the wireless network and keeps your connection fast to devices in every room. For more coverage, add Nest Wifi routers or points to your system.
Nest Wifi routers are strong enough to handle up to 200 connected devices, and fast enough to stream multiple 4K videos at a time.[2] Compatible with Google Wifi; Ethernet ports included on each router. 15W power adapter.
Intelligently works behind the scenes to make sure your Wi-Fi remains fast.[3] Walk from room to room on a video call with an uninterrupted signal. Nest Wifi automat