Product description: The ABUS FUSG50010 Secvest wireless indoor sounder is an optional Secvest accessory. Ιt supports the wireless outdoor sounder and Secvest alarm panel with a signal tone of 90 dB sound pressure in the event of an alarm. The wireless indoor sounder can be powered by battery or a power supply unit. If batteries are used, the sounder has a service life of approx. 2 years. The sounder indicates when the battery life is coming to an end. Any number of indoor sirens can be integrated into the Secvest wireless alarm system. The siren produces a series of acoustic signal tones, depending on the event. Technical features: - Installation location: Indoors - Sound pressure: 90 dB, with different tone/event - Radio frequency: 868,6625 - Max. receiving range (building): 30 m - Battery type: 3x 1.5V LR20 battery - Battery life: 2 year(s) maximum. - Connections: 12V - DC voltage supply: 4,5/12 V - Voltage monitoring: Yes - Housing material: ABS - IP protection class: 54 - Humidity: 75 % maximum - Operating temperature: -10°C ~ 50 °C - Dimensions: LxWxH: 250x175x60 mm - GARANCIJA: 2 LETI! Scope of delivery: 1 x Wireless indoor siren ABUS FUSG50010 1 x Installation material 3 x 1.5 V LR20 type ''D'' battery 1 x User guide