Product Overview Specifications Dimension 108 mm x 52 mm x 18 mm Weight 106g Backup battery 2000 mAh/3.7 V Normal working hours 50 hours standby working hours 400 hours Charging 2 charging methods: a) Wireless charging (optional): 500 mA (charging time: about 6.5 hours) b) Magnetic charging: 1800 mA (charging time: about 2.5 hours) Operating temperature -20°C to 55°C Operating humidity 5% to 95% LED indicator 3 indicators showing power, GSM, and GPS status Button/Switch 1 SOS button (used for sending SMS/GPRS alarms and calling) 1 power button 2 volume buttons 1 answer button 1 hang-up button Memory 8 MB Sensor 3-axis accelerometer Frequency band P99L-E: LTE-FDD B1/B3/B7/B8/B20, UMTS/PSPA+ B1/B8, GSM/GPRS/EDGE 900/1800MHZ P99L-A: LTE-FDD B2/B4/B12, UMTS/PSPA+ B2/B5 P99L-SA: LTE-FDD B1/B3/B5/B7/B8/B28, UMTS/PSPA+ B1/B5 WiFi positioning WiFi 2.4 GHz 802.11 b/g/n Positioning accuracy 2.5m Water resistance rating IP67 Accessories ACCESSORIES P99L tracker Magnetic charging cable Travel adapter Wireless charging