GPS tracker with battery life of 1 year Dear Sir This is Anna, the sales manager of Redview GPS in China. HE2000 is a GPS container tracker, with internal battery and low power consumption. The internal battery can keep the device working at least 1 year when report each 1 day. What is more, with internal gyroscope, the device can get position even no GPS signal .HE2000 is IP68 waterproof, easily fixed by rope. I would appreciate if you forward this letter to Technical Manager or to other expert responsible for technical integration of new products in your company, or provide me with his contact for we could discuss all the details of our future cooperation. Your early reply is highly appreciated. Best Regards Anna https://picasaweb.google.com/lh/sredir?uname=116591465845358123247&target=ALBUM&id=5981251300947349729&authkey=Gv1sRgCJqGyr2NtZurtAE&invite=CLCg0dYJ&feat=email