Attention : 1. The connection code is located on the side of the device's casing. Scan the QR code from the manual to download the app (QXGPS) and connect. 2. This product requires a SIM card that supports 2G network. 3. If you forget your password after changing it, you must contact customer service and provide the connection code (on the side of the casing) to reset the password. 4. The initial password is 123456. Product name: Integrated GPS antenna with passive antenna App name: QXGPS Battery capacity: 3000mA LED indicators: 3 (power, GSM, GPS) Operating temperature: -20 to 70 degrees Celsius Communication mode: GPS/LBS Dimensions: 5 x 2.9 x 2.1 cm Color: Black GSM frequency bands: GSM 850/900/1800/1900 MHz GPS receiver: High-sensitivity GPS receiver