hailianhua PetFon Pet GPS Tracker, No Monthly Fee, Real-Time Tracking Collar Device, APP Control for Dogs and Pets Activity Monitor

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Free monthly fee, this is a GPS pet tracker without continuous payment. Thanks to GPS technology, no SIM card or cell phone coverage!
Real time pet tracker and instant alert: during your walk, define a safe area around your pet’s location, and if they leave the area, they will be notified immediately. As the only pet tracker that allows real-time GPS tracking, findster can also be used as a pet activity monitor.
Range performance: the estimated range depends on the surrounding environment. Up to 0.5 miles in urban areas and up to 3 miles in open areas. (Note: the product is optimized for walking – it is not used for indoor tracking or remote monitoring).
Battery life: battery is up to you: switch between GPS position on / off. It will last for 2-7 days (GPS is always on), the default mode uploads location information once an hour, or once every 10 minutes or 1 minute.
Applicable to every country, as long as the region has 2G network, it is specially designed for animal waterproof and seismic functions.