dependable

She is loyal and totally dependable.

她很忠诚，完全值得信赖。

I find him very dependable.

我认为他很可靠。

Voice call the police, Briefness, Safety, Dependable ossesses battery capacity lack, Sensor damage warning, Can timely remind consumer to announciator proceed maintain .

声音报警，简单、安全、可靠具有电池容量不足、传感器损坏警告，可及时提醒用户对报警器进行维护。