This question depends on which anti-theft alarm you choose and which areas are protected. There are many types of anti-theft alarms on the market now.

1. Perimeter alarm products (pulse electronic fence, vibrating optical fiber, laser beam, infrared beam, etc., a series of alarms installed on perimeter walls) are used in: wall protection There are many brands of this product in the area, you can consult Sanan Goode

2. Home anti-theft alarm products (door sensors, curtains, etc.). This kind of alarm is usually installed on windows or doorways to prevent Small-scale multi-point area)

The main brands include (1) Honeywell (a world brand, one of China's top ten anti-theft alarm brands, a large multinational group in diversified high-tech and manufacturing industries, and a Fortune 500 company ),

(2) Bosch Security (leader in the security/communications industry, one of China’s top ten anti-theft alarm brands, a Fortune 500 company, and a global comprehensive large-scale multinational group);

( 3) Dashi Intelligent (a leading service provider in building intelligence and energy conservation, a national high-tech enterprise, a key enterprise in the software industry base, and one of the top ten brands of anti-theft alarms);

(4) Jieshun JSST (national high-tech Enterprise, a famous trademark in Guangdong Province, one of the top ten brands of anti-theft alarms, and a unit that participates in the formulation of many national standards);

(5) Sanan Good (multiple perimeter alarm product patents, Beijing anti-theft alarm high-tech Enterprises), etc. 6. Tyco (one of the world’s largest electronic security and alarm monitoring service providers, a diversified multinational enterprise, and an anti-theft alarm brand);

(6) Canadian Maple Leaf (paradox, I I have worked there, and the company's products are of first-class quality, as are its services, available around the clock). Hope it can really help you