Phoenix Spot Alarm - Indoor Wireless Spot Alarm System - Re-codable Spot Security Systems with Panic Button (SOS), Flash and Loud Alarm &ndash; Independent Home Alarm System also works with 99 Accessories Alarm System On Spot with Wireless Installation; This Wireless Siren with Flash Alarm System Comes with Learning Code Method to Add/Delete Sensors. This Spot Security System Works Both Independently and Also Along With Door Gap Sensors, PIR Sensors, Smoke/Gas Detectors, Glass Break Sensors and Most Wireless Detectors. Two-in-one Design for Alarm Main Panel and Flash Siren - Alarm Host and Flash Siren are Combined into One! Powerful Warning Generated On Spot with Both Shrill Alarm and Bright Flash. This Wireless Indoor Alarm System Generates A Very Loud Alarm Volume of 120 decibels and is Easy to Operate for Arm, Disarm and Emergency Help (SOS). This Wireless Alarm System with Flash Siren has a Radio Frequency of 433 MHz and can Control Other Sensors. It Can Also Be Used As An Alarm Control Panel To Control the Accessories Or Other Sensors which can be Wirelessly Connected to the Alarm Accessories like Wireless Remote Controller and Wireless Door Sensor And Can Act as a Wireless Siren with Flash in Other Alarm Systems. With a Limited Waterproof Function, This Home Alarm System Can Be Installed Outdoor Too Under Certain Circumstances. However, Auto-Dial Facility is Not Available Yet, and It Does Not Have Rechargeable Back Up Battery. This Spot Alarm System comes with CE, FCC, ROHS, ISO and Other International Certificates. This Home Security System Comes with Remote Control Arm, Disarm and Panic Buttons and Can Support 20 Wireless Detectors and 99 Accessories. SIM Card, GSM/CDMA Network, Landline, etc. are Not Required for its Functioning. It Consumes Very Low Power. Wireless Home Alarm System with Ultra-Loud Alarm - Cheap, Light-weight, Easy-to-operate Indoor Spot Alarm Systems with Remote Control - Protect Your Home with Our Best Guarantee and Lifetime Support