Brand Cityeasy Model 006 Color Pink Quantity 1 GPS Chip U-blox Network GSM / GPRS Band 850 / 900 / 1800 / 1900MHz GPS Sensitivity 159 dBm GPS Accuracy 10 meter Warm Start Time 32 Cold Start Time 38 Hot Start Time 2 Antenna Built-in Pre-loaded Map No Maps Included NO Screen Size 0.8 inch Screen Format TFT PC Interface Supported USB GPS System Features Compact low power consumption; Suitable for kids and old men Operation Temperature 20'C~+70'C Storage Temperature 30'C~+80'C Humidity 20%~80%RH Altitude Limit 18000 meters Velocity Limit 515m/s Memory N/A GB Power Supply US plug / 100~240V Battery Type 3.7V / 450mAh Battery Standby 60 Hour Packing List 1 x GPS watch 1 x AC power charger adapter (US plug / 100~240V) 1 x USB cable (100cm) 1 x CD & user manual Manual: http://m5.img.dxcdn.com/CDDriver/CD/sku.244260.pdf