What life search and rescue instruments did China use in Wenchuan earthquake?

Dkl lifeguard life detector is the most advanced search and rescue instrument in the world at present, and its light volume is only about 1kg. It is designed by hand, easy to carry and operate, and its performance is superior to any other high-tech search and rescue products. It has been widely used by the military, customs, sea patrol, fire protection, security, rescue, aerospace and other government departments in advanced countries in the world.

This product was developed by American high-tech companies combined with the world's most advanced biochemical, dielectric, ultra-low frequency conduction and DNA technologies, and applied for a number of technical patents. This model is the most mature product designed by DKL company at present.

Lifeguard life detector provides rescuers with the ability to confirm whether there are survivors when they enter the search and rescue site, so as to reduce the danger of rescuers in search and rescue and detect survivors behind any obstacles at the first time. It detects the direction of the distant weak heartbeat medium field through passive reception, and only detects the surviving human beings without interference from other animals. It can cross various obstacles such as steel plates, cement, composite materials and trees, so that the detection distance can reach 500 meters in the open area.