HC508 - Color: White - Plastic material housing - GSM: 850/900/1800/1900MH - GPS sensitivity: -159dBm - Center frequency: L11575.42MHz - GPS locating accuracy: 5~15 meters - GSM locating accuracy: 50~500 meters - Positioning speed accuracy: 0.1m/s - Time: Synchronized with GPS time - Default data: Synchronized with GPS; WGS-84 - Max elevation: 18000 meters - Max speed: 515 meters / second - Acceleration of gravity: < 4g - Hot start: 1 second - Warm start: 38 second - Powered by 1 x 750mAh battery (included) - Standby time: > 48 hours - With SOS Call 1 Call 2 answer reject buttons - Working temperature: -20~65'C - Working humidity: 5~95% - Provides an easy way to track your target - Great for car child elder pet tracking or other situation - Package includes: - 1 x GPS tracker - 1 x Battery - 1 x Power adapter (AC 100~240V / EU plug) - 1 x USB cable (90cm) - 1 x Software CD CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.116908.zip