Children's GPS Locator Elderly and Personal Anti-lost Device with Anti-tamper Button Pendant 4G Two-Way Communication Locator

waterproof : Yes Range : Other High-concerned chemical : None Model Number : G62 Brand Name : luxuglow Origin : Mainland China Name : GPS Locator Housing Material : PC material, injection molding, spray coating Multiple Positioning Modes : Supports real-time GPS/AGPS/WIFI/LBS positioning. Battery : 3.7V 950mAh Standby Average Current : Less than 5mA (determined by connection method) I/O Interface : Micro 5pin Speaker : 0916 specification AAC Sensor : 3D G-Sensor GPS Positioning Accuracy : Within 10 meters WIFI positioning accuracy : Within 50 meters Network positioning accuracy : 50-200 meters (depending on network conditions) Speed accuracy : 0.1 m/s 4G antenna : PIFA antenna Standby time : Determined by battery capacity and connection method Operating voltage : 3.5-4.2V (automatic shutdown at 3.4V low battery)