Smart External Siren Mains PoweredSmart Alarm External Mains Powered SirenBuilt-In Siren (110dB) and LED IndicationSuitable for Outdoor Use (IP44 Ingress Protection)Compact Design: 162x182mmRechargeable Backup Battery with up to 40 Day StandbyLow Power IndicationTamper Protection80 Meter Open Field RF Transmission (433Mhz)For use with Smart Alarm Hub (ECSPHB)Technical SpecificationGeneral InformationMaterial: ABSOperating Voltage: 12V DCBattery Backup: Lithium 18650 3.7V/2200mAhDevice Communication: RF 433 MHz Transmission Distance: 80m (Open field)Anti-Tamper: Built-in MicroswitchIngress Protection: IP44Dimensions: 162mm x 182mm x 65mmOperating Conditions: -10°C ~ 55°CTechnical Specification:Colour: White; Red IP Rating: IP44Dimensions: Length: 65mm x Height: 162mmWeight: 0.65KgWarranty: 1 Year