VESTA outdoor siren via radio

Features 107dB output power at 1 meter F1 RF technology accelerates the signal transmission speed and increases the communication range Four programmable siren duration options Four selectable siren volume levels Orange pilot Programmable strobe activation Differentiated alarm sounds for fire and burglary It works with batteries Meets CE requirement IP56 waterproof and dustproof housing Audible arming / disarming, door chime and low battery status notification Periodic monitoring signals to verify system integrity and troubleshoot Tamper protection prevents unauthorized removal or tampering Low battery detection Complies with EN50131-4 / EN50131-5-3 Grade II, Environmental Class IV Specs RF frequency. 868MHz Power supply: 4 alkaline 1.5V batteries Battery life of up to 4 years -25 ° C ~ + 60 ° C operating temperature Relative humidity up to 85% (non-condensing) Dimensions: 205 (W) x 317 (H) x 83 mm