Qrio

Qrio is a Japanese smart home technology company that produces the Qrio Lock (Q-SL2), one of Japan's most popular smart locks. The Qrio Lock is an ultra-lightweight (207g) retrofit device that attaches to existing door locks using double-sided tape — no drilling, no wiring, perfect for rental properties. It connects via Bluetooth Low Energy and uses public key cryptography for security. With 2x CR123A batteries, it achieves an impressive 600-day battery life at 10 operations per day. Key features include hands-free auto-unlock (detects approaching smartphone), auto-lock with magnetic door sensor, digital key sharing, and Apple Watch support. The ecosystem includes Qrio Hub (WiFi bridge for remote access), Qrio Pad (IC card + PIN keypad), and Qrio Key S (physical remote). Compatible with Amazon Alexa and Google Assistant via Qrio Hub.