The Siren2.0, identified by the model number SA119A0—00—E00A, serves as an audible and visual alarm indication device, capable of announcing alarm conditions within the monitored area. Its operational features allow for event definition from the cloud or manual triggering by an operator. Operating within a temperature range of -40°C to +60°C and boasting an IP rating of X7 (waterproof), the Siren2.0 weighs 580g and measures 85x120x140mm in NATO Green (RAL6014). Utilizing short-range 2.4GHz radio for two-way communication with other devices, it follows IEEE 802.11.4 standard, with a bandwidth of 2 MHz and a data rate of 250 kbps. Indication devices, including a siren output with a maximum of 108 dBA, are employed to announce alarm conditions. The siren is powered by a rechargeable 3.7V, 10.2 Ah Lithium-ion battery, supporting over 400 days of standby or 200 hours of constant alarm. Recharge time is 7-12 hours, and an optional auxiliary solar panel is available for extended use.