Feature: 1. Three different tones, allowing selection based on user preference. 2. High-intensity sound output with alarm volume of 100dB or higher. 3. Equipped with 2 built-in LEDs that emit bright flashing light when the alarm is activated, providing visual alert during emergencies. 4. The siren produces both loud o and rapid flashing light to alert individuals during fire incidents. 5. Constructed with ABS 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: -10°C to 50°C Item Size: Approximately 12.7 x 12.7 x 3.8 cm (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