Ruby Technology Co., Ltd. was founded in 1996. We focus on designing, researching, developing, manufacturing and selling alarm system products, GSM alarm system, alarm systems, burglar alarm, GSM alarm, home security, security system, GSM burglar alarm, vehicle tracker, security product, home security system, GPS tracker, wireless alarm, wireless alarm system, home burglar alarm, security alarm, alarm security, home alarm, smoke detector, gas/CO/LPG detector and all kinds of detectors, We have hundreds of self-developed designs and molds for our customers to choose, We release at least more than 20 new products monthly to meet the latest market trends, with our rich experience and considerate services, we have been recognized as a reliable supplier for many international buyers.