Frequency: 850/900/1800/1900MHz. Battery : 500mAh. Material : ABS+PVC positioning type GPS+Beidou+WIFI+LBSGPS. Sensitivity -157DB). 5-20M GPS accuracy. 100-1000M LBS accuracy. Wi-Fi accuracy 10-50M. Standby time Standby time 4-5 days. Standard mode: download every 30 seconds, standby 12-15 hours to work. Temperature 20 to +55.
