Visit sensehome.in for complete website. senseLocate is a GPS tracker (proudly designed and assembled in India) with inbuilt panic button designed for the safety and security of your loved ones. Just plug in SIM card into the unit and pair it with the free senseLocate app to know exactly where your child or loved one is going. You can activate emergency call tree by clicking on the red panic button on the GPS tracker. This starts dialing up to 5 numbers and allows your loved one to speak to you and vice-versa with the inbuilt speaker phone. Listen-in mode allows you to call your gps tracker unit directly from your phone to listen to what is happening around your child or speak to them whenever you want. The senseLocate app allows you to track your child real time, setup unlimited geofencing and search location history to know exactly what is going on through the ease of your smart phone. senseLocate is part of the senseHome line of home security and automation devices designed in, made in and made for India. Visit https://sensehome.in for more details. Software features: Real time tracking via GPS/LBS on appListen-in mode allows you to talk directly to your gps trackerUnlimited geofencing - get alerted when your child leaves school or reaches homeSee unlimited past location and event historyHardware features:Dimensions: 45.8 mm (diameter), 1.6mm (thickness)Weight: 49 gramsGSM : 850/1900 or 900/1800 MHzGPRS : Class 12, TCP/IPGPS: MTK3339GPS Channels : 22Tracking sensitivity : -165 dBmAcquisition sensitivity : -148 dBmLocating time cost : Hot start <= 1 second, cold start <= 32 secondsOperating temperature : -22C~60COperating humidity : 5%~95%Battery : 450mAh/3.7VStandby time : 4-5 daysNotes: SIM card : major operators covered, to be purchased seperately senseHomeApp available for Android 4.1+ (https://play.google.com/store/apps/details?id=in.co.smartsense&hl=en)