Feature: 1. Three different tones, allowing selection based on user preference. 2. Super loud sound with alarm volume of 100dB or higher. 3. Built-in 2 LEDs that emit a bright light when the alarm is activated, helping alert individuals to evacuate. 4. The siren emits both a loud sound and a flashing light to alert people to escape in case of fire. 5. Constructed with ABS fire-resistant material. Suitable for use in offices, shops, hotels, restaurants, and similar environments. Specification: Rated Voltage: DC 12V Rated Current: 100mA Voltage Range: DC 9-24V Alarm SPL: up to 100dB Tone Setting: Three tones Material: ABS Color: Red Working Temperature: -10C to 50C Item Size: Approximately 12.7 x 12.7cm (L x W x H) Item Weight: Approximately 121g / 4.3oz Package Size: Approximately 15.2 x 12.2 x 6.3cm / 6 x 5 x 2.5in Package Weight: Approximately 208g / 7.3oz Package List: 1 x Fire Alarm Siren 1 x Bracket 1 x Bag of Mounting Screws