Mini Body, Huge Power: This switch can be installed in any standard junction box to upgrade your wall switch to a smart switch. Widen External Switch Connection: Compatible with various external switches, such as SPDT switches, to control your lighting and other devices. Use Widely, Work Safely: Designed for broad compatibility with multiple brands and certified by the Zigbee Alliance for reliable performance with a wide range of hubs. Security in Both Use and Privacy: Features a fire-resistant, flame-retardant housing to enhance safety during operation. CE and FCC certified. Utilizes ZigBee 3.0 protocol with AES-128 encryption to protect your device data and ensure privacy. ZigBee 3.0 Protocol, One-tap Pairing: Supports ZigBee 3.0 for seamless integration. Easily pair with SONOFF ZBBridge through a single tap in the app. Model: MINIR2 Wi-Fi: IEEE 802.11 b/g/n 2.4GHz Input: AC 100-240V 50/60Hz, 10A Max Material: PC VO Output: AC 100-240V 50/60Hz, 10A Max Size: 42.6 x 42.6 x 20mm