Introducing the YoLink SpeakerHub - Your Ultimate Smart Home Audio Command Center! Empower your living space with custom voice announcements， alarms， and a wide range of tones， all within an astounding ¼ mile range， thanks to our LoRa-powered technology.REQUIREMENTS:YoLink Hub with an internet connection (wired Ethernet or 2.4GHz Wi-Fi). Refer to the Hub user guide for additional informationSmartphone or tablet running iOS 9 or higher， Android 4.4 or higherTools Required: NoneInstallation Difficulty Level: Super EasyTECHNICAL SPECS:Color: WhiteSet button (Front)Power: 2 AAA batteries (3V DC)Dimension [L x W x D]: 2.44 in. x 2.44 in. x 0.80 in. (83.06 mm x 30.99 mm x 14.99 mm)Operating Temperature Range: 32°F - 122°F (0°C - 50°C)Operating Humidity Range: ≤95%RH non-condensingIntended for indoor use only.

Audible notifications - be informed of system alerts and events with your selected sounds/tones as well as text-to-speech messages like the garage door is still open

100-in-1 audible device， customizable tones/sounds and custom spoken text-to-speech messages means your SpeakerHub can act as a driveway alert， security siren， water leak alarm， door chime and you've-got-mail announcer

Smart design - speakerHub is powerful yet compact and portable， handsome and measuring less than 3 in. across， it will look great anywhere in your home， simply connect it to WiFi (only)， and USB power (with the included AC adapter)

Private and secure - SpeakerHub is smart， but it does not have a microphone and can not listen. Be secure in your privacy and safely place this smart speaker anywhere in your home or business