DEAOKE 2G GPS Car Locator Car Anti-Theft Tracker 1. The left power light : the power is normal 2. The middle GPS light flashes: searching for GPS signals 3. The middle GPS light : GPS signal is normal 4. GSM light on the right: searching for GSM signal 5. The GSM on the right side : the GSM signal is normal and the card has been read Specification: 1. Dimensions: 63 mm x 46 mm x 17 mm 2. Weight: 40 grams 3. Network: GSMGPRS 4. Network frequency band: 85090018001900Mhz 5. Chip: UBLOX 6. GPS sensitivity: -159dBm 7. GPS accuracy: 5 meters 8. Battery: 200 mAh 9. Note: only vehicle tracker, no SIM card Functional advantages: 1. Add shift alarm and alarm in electronic fence area 2. Add smart power saving mode 4. Add oil and power failure, ACC status notification function, low powerpower failure alarm 5. Blind zone supplementary transmission function, when there is no mobile phone signal, the data is saved in GPS, and will be supplemented when there is a signal 6. AGPS function, fast satellite positioning 7. Double positioning, accurate and more secure 8. Historical records, one-click query 9. Can recall the driving track within 180 days