Wireless Panic Button

Panic Button Overview
This is a personal hand-held emergency/panic button that is used to sound the alarm in the event of an emergency. This can be used to sound the alarm for police, fire, or used in a medical emergency. It comes with a keychain clip so that it can be attached to a lanyard or key ring for easy access.
 
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.
 
-- Panic Button Specifications --
Battery: 1x 23A 12v
Battery Life: 1 Year
Antenna Range: 250 ft. – 450 ft.
Frequency: 315mhz
Current: Not Specified
Best Working Temperature: -10°C - 50°C (4°F - 122°F)

-- Panic Button Dimensions --
Sensor: 2.75 x 2.63 x 0.75 inches (6.99 x 6.68 x 1.91 cm)