Geo-fence echnology:You can use your smartphone to set the area on the map and when the things you tracker was outside the eara it will alarm and ring to remind you.So that you can avoid your things be lost. Vibration Alarm Technology:It reminds you timely and fast track your items,the larger distance route check without obstacles. Route Record and Memory:It can record the route where you go,so that you can check and review the place […]