Features: High Decibel Alarm systems: Features a powerful 100dB alarm that effectively cut through noisy environments, ensuring timely alerts for enhanced security in construction sites and road maintenance areas. double LED Light & Sound Alert: Equipped with bright LED lights combined with hearable alarms for superior warning effectiveness, making it ideal for various outdoor safety applications. Weather Resistant Outdoor Design: Built with IP55 rate protect against water and dust, ensuring stable performances in harsh weather conditions for long lasting use. Multiple electric Compatibility: offer flexible 12V, 24V, 110V, and 220V option to suit different power requirements, providing versatility across diverse installation scenarios. strong Construction & Easy Installation: Made from effect resistant PC component for toughness, featuring simple setup with multiple mounting option for hassle easy deployment. Specifications: [component ]: PC, PCB, metal [Working electric selection]: 12V/24V/110V/220V [Alarm decibel]: 100dB [Product power]: 2~10W Size: about 10X10x17cm/4x4x7inch Type: flashing/Sound & Light Package Includes: 1xAlarm device note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.