The Somfy indoor siren is the must-have component to send intruders running. It lasts for 3 minutes at 105 dB.

It uses four D batteries (LR20), giving it an autonomous operating time of up to 2 years. It is cordless and can be positioned wherever you wish.

Indoor Siren description

The siren's features are as follows:

• Up to 200 meter radio range between the siren and the Link (in open spaces)
• Battery life: 2 years with batteries (4 LR20 Alkaline batteries included)
• anti-jamming protection
• size: 175 x 45 mm
• weight: 985g
• operating temperature: 0-45°C

The siren has a light all along its edge and a speaker (in addition to the siren):

• the soft flashing light confirms when the siren is armed and disarmed
• the light also flashes when the siren is sounding at 105 dB
• the speaker plays tunes to confirm when the siren is armed and disarmed
• the speaker also plays a pre-alarm that indicates the imminent start of the 105 dB siren
• the speaker confirms with an audible "ding" that the system's other components have been properly installed (IntelliTAG, key fob, etc.)
• there is no button available on the siren