Size: 38mm x 55mm x 10mm / 2.2" x 1.5" x 0.4"
Weight: 25g / 0.88oz
Material: PMMA & Polycarbonate
Battery: Rechargable 515 mA/H Lipo
SIM Card: Built-in (GPRS)
GPS: AGPS, GPS, GLONASS
Processor: Micro controller CPU 60kb flash
Sensors: Gyroscope, Accelerometer, Magnetometer
Accessories: two silicone clips (1x for clothes, 1x for belt/pet collar), Micro USB Cable
Durability: water-resistant, functions -10 °C to +40 °C
Roaming: unlimited in 33 countries
Notifications: Geofences, Battery level, GPS signal loss, Speed
Accuracy: Up to 3 m. Please refer to this video to understand what might influence your tracker's accuracy.