LandAirSea 2400 SilverCloud Overdrive Personal Tracking Device Rechargeable Lithium-Ion battery offers up to 30 days of continuous tracking on a single charge with average driving time of 2 hours a day, motion sensor conserves battery when idle Configurable vehicle location update speeds of 60, 10, 5 or 3 seconds. Simple device activation and account setup via LandAirSea.com. User-friendly, web based Silver Cloud software accessible 24/7 from any internet browser. Free iPad/iPhone/Android "real-time" monitoring app included.