VECTU PSL-001 On-Demand Personal GPS Locator (Blue) WORKS EVERYWHERE - Use of GPS & GSM Network, Vectu can be located via web or smartphone app anywhere GSM (2G) cellular reception exists. No roaming charges. UNLIMITED USE - Real time on-demand location updates + location update upon help alert Device shipped with an installed SIM card and includes 2 days of service at no cost. No Activation Fee EASY TO USE myAspenta APP -Free Android, iOS and web app INSTANT NOTIFICATIONS -Unlimited user alerts via text, email, and in-app notifications (Low Battery Alert, Help Alert, Geofence Alert)