Vectu Portable Vehicle Tracker GPS/GSM Tracking Real-time Locator for Cars Motorcycles Scooter Bike Golf Carts - Grey Device shipped with an installed SIM card and includes 2 days of service at no cost. Service after that at the low cost of 15.00 / quarter or 50.00 prepaid annually. No Activation Fee. WORKS WORLDWIDE - Use of GPS & GSM Network, Vectu can be located via web or smartphone app anywhere GSM (2G) cellular reception exists. No roaming charges. GPS based solutions are cost prohibitive whereas products from Vectu remove roaming costs and therefore provide the most cost effective solution worldwide. INSTANT NOTIFICATIONS -Unlimited user alerts via text, email, and in-app notifications (Low Battery Alert, Help Alert, Over speed Alert, Geofence Alert, Power Connect/Disconnect Alert, Unauthorized Movement). EASY TO USE myAspenta APP -Free Android, iOS and web app. Working in tandem with Vectu , the myAspenta mobile/web app provides all the tools needed to securely control and monitor people and things that are most important to you. Note:Device operates effectively where T-Mobile service exists. /Tech Support: support@vectu.com.