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 system EAS library security system ***** EM antenna 2.Higher sensitivity 3.People counter system ***** distance: 80--120cm EAS EM system EAS EM system ***** security system 2.Higher sensitivity 3.People counter system ***** distance:80--120cm Thank 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.