1. Automatically restore the previous settings with memory function when network or power off reconnecting
2. Multiple Sound Selection
3. Power supply: Mini USB , 5V-1A
4. Backup power supply: CR123A x 2 (not included)
5. Sound intensity: 90 dB
6. Wireless type: 2.4GHz, 1T1R
7. Protocol:IEEE 802.11b/g/n
8. Wireless range: 45m
9. Operating temperature: 0 - 60 degrees Celsius
10. Free APP: Tuyasmart or Smart Life
11. Support systems: Android and iOS
12. Workes with Alexa Echo and google home
13. Product size(D*W*H): 68x68x30mm
2. Multiple Sound Selection
3. Power supply: Mini USB , 5V-1A
4. Backup power supply: CR123A x 2 (not included)
5. Sound intensity: 90 dB
6. Wireless type: 2.4GHz, 1T1R
7. Protocol:IEEE 802.11b/g/n
8. Wireless range: 45m
9. Operating temperature: 0 - 60 degrees Celsius
10. Free APP: Tuyasmart or Smart Life
11. Support systems: Android and iOS
12. Workes with Alexa Echo and google home
13. Product size(D*W*H): 68x68x30mm