Features: 

1. Real time positioning, historical trajectory, electronic fence. 

2. Low power reminder, magnetic charging. 

3. Multi mode positioning (GPS Beidou WIFI). 

4. Ultra small arc design, IP67 high performance waterproofing. 

Specification: 

Color: Black, White 

Input voltage: 5V 

Charging time: 2-3 hours. 

GSM: MTK2503D; battery capacity: 500mAh 

GPS: GPS Beidou LBS GPRS (optional WIFI); default standby: 132 hours. 

GPS sensitivity: (-165DB); stand-by standby: 72 hours. 

GPS error: 5-15M 

LBS error: 100-500M 

WIFI error: 50-100M 

GSM frequency: 850/900/1800/1900MHz Product material: ABS 

Product size: 53*45*16mm/2.08*1.77*0.62'' 

Package size: 105*68*54mm/4.13*2.67*2.12'' 

Net weight: 25g 

Gross weight: 170g 

Note: 

Please allow 1-3mm differs due to manual measurement. 

Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.