DescriptionAre you looking for a professional, yet affordable anti theft alarm? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional anti theft alarm must meet you needs. It is one of the best choices for you.Features- Color: White. - Material: ABS. - Size: 9 x 4 x 2 cm. - Host battery: 2 x AAA alkaline batteries(not included). - battery: 12V/27A alkaline battery(included). - Working environment temperature: -10-60 Celsius. - Storage temperature: -20+70 celsius. - Frequency: 433MHz. - Alarm volume: 108dB. - Door alarm triggered by magnetic sensor, suitable for windows and doors when opening. - Suitable for doors, windows, gold counters, jewelry showcases and other places. - The sound and light alarm made the thief frightened and fled, while awakening the owner, causing the attention of neighbors and security guards, and the thief might be caught. - The glare flashes, the thief is more frightened: sound and light positioning, catching the thief is more accurate. - The battery case is designed on the back of the product, which is difficult to find and difficult to disassemble. It can prevent thieves from disassembling the battery and has better safety.