The alarm button adopts one-button
operation which can be installed in a fixed position or carried around. It has
the advantages of stable work, innovative design, attractive appearance,
simplely portable without testing. It can be widely used in families and
nursing families, welfare families, hospitals and other places for emergency
monitoring.
Working voltage: DC3V (1 CR2450 battery)
standby current:≤4uA
Alarm current:≤18mA
Battery life:More than three years (normal
work)
Ambient temperature :-10°C-+55°C
Relative humidity:≤95% RH (no condensation)
Indicators : Red: alarm ;
Green: communication;
Yellow:f ault;