Variable | Measured items | Average | Standard deviation | Rank |
Service innovation | 1) Provide home security monitoring service | 3.715 | 0.790 | 4 |
2) Provide home access control management services | 3.680 | 0.736 | 6 | |
3) Provide home care services | 3.693 | 0.771 | 5 | |
4) Provide real-time information | 4.016 | 0.724 | 1 | |
5) Easy to operate | 3.807 | 0.807 | 3 | |
6) Low system failure rate | 3.924 | 0.769 | 2 |