1000 feet (305 meter) per RING claim. I have a tiny house so I can't vouch for it.
The bridge is indoor only. Something could be rigged with an in-use outdoor outlet and waterproof case (ie - otterbox) but it is not the intended use nor is it needed.
Hi LSH, Ring Smart Lighting Bridge is equipped with an AC power 100-240V AC Micro USB power supply. Bilan J, Customer Satisfaction Specialist Bilan.firstname.lastname@example.org
yes you need wifi
Hi Jonny3243, The Ring Bridge is the central point for connecting all Ring Smart Lighting products. It enables smart lighting control from anywhere using the Ring app and lets Ring Smart Lighting products interact with other Ring products for enhanced security. The Bridge converts RF signals to Wi-Fi. Bilan J, Customer Satisfaction Specialist Bilan.email@example.com