This paper describes wearable sensor devices for the safety of children. The big advantage of the wearable devices is that they can be used in any mobiles and doesn’t require costly android mobiles. The main aim of the device is to help parents track their children easily. At present, in the market, there are various wearables available which help to know the step by step activity of children using Wi-Fi and Bluetooth facility available on the gadget. In any case, Wi-Fi and Bluetooth have all the earmarks of being a questionable medium of correspondence between the parent and Kid. The parent can send a content with particular catchphrases for example, "AREA" "WEATHER" "UV" "SOS" "BUZZ" "MAPS ", and so on, the wearable gadget will answer back with a content containing the ongoing exact area of the child which upon tapping will give bearings to the child's area on Google maps application and will likewise give the encompassing temperature, time. The proposed idea consists of a GPS module which continuously monitors and take clear photos of the child's location. It also contains a DHT11 sensor and an LDR sensor which monitors surrounding temperature and light intensity. When temperature and light intensity crosses the optimum values, the device gets activated and alerts the guardian with a message, and a guardian can get the location in an app.