Zone 1,2,21,22: Engineered for hazardous environments, this lighting solution ensures safety in potentially explosive atmospheres by effectively marking escape routes and exits. With built-in self-test, monitoring, and diagnostics capabilities, it reduces maintenance costs and ensures reliability. Providing over 3 hours of autonomy, it offers flexibility with both maintained and non-maintained operation modes. Compatible with DALI compatible ballasts, it facilitates easy installation. Equipped with advanced lithium-ion secondary cells and microprocessor-controlled functionalities, including charging, discharging, heating, and monitoring, it guarantees dependable performance in critical situations.