433MHz Wireless Home Security Emergency Siren Alarm, Zerone SOS Panic Button Alarm for WIFI GSM Home Security Alarm System with Red Chain

INSTANT ACTIVATION: All you need to do is to reach your alarm device, and push one button to set off the siren. Enjoy your walks around the city or your holiday travel without worrying about your safety! Good solution for being attacked by assailants, rapists and dogs
BATTERY OPERATED BUTTON: This panic button is operated by a button cell, perfect used in a big trip, camping or hiking. Ideal for college and student security, walkers, joggers, elderly, students, lone workers and self defense.
MULTIPLE WEARING METHOD: Wireless panic button can be mounted anywhere in the house or carried with you, can be worn on hands or neck. Immediately trigger the alarm of the fortress SOS or GSM security system.
CAN BE CONNECTED ELECTRONIC ALARM SYSTEMS: This alarm button does not work on its own, standalone, so you must link it to an alarm system.
WIDE APPLICATION: The siren detector is a perfect accessories to protect your garage, apartment, dorm room, mobile home, office or any places requiring against thief, give you more protection and convenience

Description:
This alarm can be added to the Connected Electronic Alarm Systems. Ideal in case of emergency or break-in, silently trigger the system with a simple push of the button.

Specification:
Condiition: 100% Brand New
Power Requirements: CR2032 button battery.
Current consumption: 8 to 12mA
Transmission frequency: 433 ± 0.2 mhz
Sent time: less than 1s
Power DC: 1.5V button battery.
Operating temperature: -10 to 55 degrees.
Operating temperature: less than 80% (no solidification)
Size: 35 × 11 × 60 mm / 1.38 × 0.43 × 2.36 inch (approx.)

Package Included:
1 × Emergency Call Doorbell (Not include the battery)

Notice:
Please allow 1-3mm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures.