Intelligent circuit design allows the emergency sign to adapt to various country voltages and ensures stable operation under unstable voltage conditions, supporting reliable performance for emergency evacuation in public areas. High-brightness LED lights provide clear visibility even in heavy smoke, effectively penetrating smoke to guide people toward exits. Constructed with high-quality acrylic panel, the LED emergency exit sign is impact-resistant, scratch-resistant, corrosion-resistant, and flame retardant, making it suitable for high-temperature environments and ideal for guiding evacuation. The LED emergency exit sign features automatic fault detection, voice alarm alerts, low power consumption, and extended working time, ensuring long-term reliability. Simple to install and suitable for a wide range of applications, this exit lighting sign is commonly used in malls, offices, factories, schools, hospitals, stations, and other public locations. Energy-efficient design utilizes high-brightness LED technology for low power usage and long service life. Built-in voice alarm function provides automatic alerts and fault monitoring. Widely used in commercial and public buildings including shopping centers, supermarkets, hotels, hospitals, schools, transit stations, and entertainment venues. Specifications: Condition: Material: PMMA (acrylic board) Color: As shown in picture Voltage: 110–220V Nickel-chromium battery: 1.2V 800mA