We are Beijing LTSN(Protector) Electronic Co., Ltd based in Beijing , China. We are member of Tradekey.com since June, 2011. Our business is related to Security & Protection industry and we specifically deal in Security product. Please find our product details below:EAS library security systemEAS library security system***** EM antenna2.Higher sensitivity3.People counter system***** distance: 80--120cmEAS EM systemEAS EM system***** security system2.Higher sensitivity3.People counter system***** distance:80--120cmThank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.