Wireless Emergency Button (Panic, Holdup, Medical)

Emergency Button Overview
This is a wall-mounted emergency button that is used to sound the alarm in the event of an emergency. This button can be used to sound the alarm for police, fire, or used in a medical emergency. It can be mounted on a wall, under a desk, or on a night stand.

Audible Alarm: Press the button and it will automatically trigger the alarm. It will start calling the people on your call list or the central station.

Silent Panic: This is a silent alarm mode which starts the auto dialer while keeping the siren quiet. The is great feature for businesses who want to alert the police without alerting the intruder.
 
-- Emergency Button Specifications --
Battery: 1x 27A 12v
Battery Life: 1 Year
Antenna Range: 250 ft. – 450 ft.
Frequency: 433mhz
Encryption: 36 Data-Digit
Current: 15uA
Best Working Temperature: 14°F – 122°F

-- Emergency Button Dimensions --
Sensor: 3.38 x 3.38 x 0.50 inches (8.57 x 8.57 x 1.27 cm)

-- Compatibility --
STS-407, STS-408, STS-410, STS-411, STS-412, STS-415, STS-420, STS-421, STS-450, STS-451, STS-455