Safety - Passed stringent safety tests to ensure you and your devices' safety Compatible with Google-Nest-Mini smart voice speaker, compatible with Google-Nest-Wifi ac2200, 2nd gen router. Only for amperage equal or less than 1.1a One-year manufacturer warranty Output max - 14V 1.1A 15.4W. Input volt range - 100-240V Package - 1 X power adapter Compatible with Google-Nest-Mini smart voice speaker, compatible with Google-Nest-Wifi ac2200 (2nd gen) router