Portable and energy-savingno radiation, environmental protection and energy saving. Mini size, compact and portable, easy to use and reliable. Small and exquisite, take it with you when you go out. It is energy-saving and environmentally friendly, does not pollute, protects your living environment, and does not waste your stableProtect your life and property. This product is excellent workmanship, using high quality materials, excellent performance, strong safety, strong working stability. Ring loudly - The alarm clock has a loud sound and a flash fast for greater attention. Even if you are sleeping, the super alarm sound will be awakened by such a loud sound. No need to worry about this dangerous situation. Provide automatic voice or SMS messages as event notifications. Features: The alarm sound and flash work simultaneously, and the warning is louder. Ordinary type: 2-wire, power-on alarm Rated voltage: (VDC) 12 Operating voltage range: (VDC) 6-15 Rated current: mA: 500 Sound pressure dB: 115 decibels Power (W): 15 Product size: (LxWxH): 122x72x36mm