Indoor Siren io is a siren that emits a loud sound at 95db. Combined with Somfy TaHoma, and additional Somfy sensors and detectors, it can provide additional peace of mind within the home. Indoor Siren io is a siren that emits a loud sound at 95db. Combined with Somfy TaHoma, and additional Somfy sensors and detectors, it can provide additional peace of mind within the home. Deter burglars Secure your home with Somfy TaHoma and Indoor Siren io. When a sensor detects something in the property, such as motion or fire, the siren is activated and can deter potential burglars and warn those who live in the property. Installing the wireless siren Insert the supplied batteries. Add the siren to your TaHoma system by using “configuration” and "io-products" and "device" in the interface. Attach the siren with the mounting plate on the back. Versatility Indoor Siren io can be used via the TaHoma with smoke detectors, magnetic contacts (door and window contacts), motion detectors, water leakage sensors or panic button (SOS) on the TaHoma remote, all from Somfy. Automatic test Indoor Siren io regularly tests the batteries, to ensure the device is always connected with TaHoma. You can see the current battery status in TaHoma. Easy to maintain Indoor siren io powered by 4 AA batteries and can operate for approximately 2 years. Secure connection Indoor siren io communicates with the Somfy unique two-way protocol "io-home control," which has a secure connection using 128-bit encryption, and a radio range of 20 meters indoors by two concrete walls or 200 meters in open field.