Portable and energy-saving - no radiation, environmental protection and energy saving. Mini size, compact and portable, easy to use and reliable. Small and exquisite, carry 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 resources. table - Protect your life and property. This product is a fine workmanship, using high-quality materials, excellent performance, high safety, strong working stability, you can buy with confidence, if you have any questions, you can contact us. Loud sound - The alarm clock emits a loud sound and a quick flash for more attention. Even if you are asleep, 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. Easy to install: Very convenient configuration, economical, complete and easy to use, the installation process is simple and convenient, saving you time and effort. Specification: Color: red Working voltage: DC9-16V Working current: 300 Working temperature: -20~+60c Sound pressure: 1083DB/30CM Continuous working time45MNDC12V Flashing time (minutes): 30030 Product size: 125*75*45mm Delivery quantity: 1 piece