Portable, energy-saving, radiation-free, environmentally friendly and energy-saving. Small size, compact and portable, easy to use and reliable. Small and exquisite, take it with you when you go out. Energy saving and environmental protection, no pollution, protect your living environment, do not waste your Stably guarantee the safety of your life and property. This product has excellent workmanship, high-quality materials, excellent performance, strong safety and strong working stability. Loud - The alarm sounds loud and the strobe light flashes quickly to get more attention. Even if you are sleeping, the super alarm clock will be woken up by such a loud sound. There is no need to worry about this dangerous situation. Provides automated voice or SMS messages as event notifications. Features: The alarm sound and flashing light work at the same time, and the warning sound is louder. Ordinary type: 2-wire system, power-on alarm Rated voltage: (VDC) 12 Working voltage range: (VDC) 6-15 Rated current: mA: 500 Sound pressure decibel: 115 decibels Power (Watts): 15 Product size: (length x width x height): 122x72x36mm