Built-in vibration sensor, smart anti-theft, the tracker is precise and practical. There is available SMS and Web tracking, moving alarm and monitoring. Made of premium quality plastic material, the tracker is fine workmanship and durable. The length of the tracker is 5.7cm, and its width is 3.9, and its height is 1.4cm. The tracker is suitable for cars, vehicles, bike, motorcycle, etc.. Item Name: GPS Tracker Material:Plastic Installation Location: LBS Accuracy: 10m(2D RM) Operating Temperature: -2 Degree to +70 Degree Operating Humidity: 20% - 80%RH Working Current: 0.2mA (Approx.) Frequency: GMS Frequency: 900/1800MHz or 850/1900MHz Power Supply Voltage: DC 9-38V Support Agreement: GPRS: Class 12, TCP/IP Size Details: 5.7cm x 3.9cm x 1.4cm/2.24" x 1.54" x 0.55" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X GPS Tracker 1 X 2P Power Cord 1 X User Manual