Answer: You can have 50 geo-fences for each GPS vehicle tracking device and 50 global geo-fences per account. Each geo-fence is square and centered around an address that you specify.
1 Almost everyone experiences a muscle cramp at some time in their life. 2  There are a variety of types and causes of muscle cramps. 3  Numerous medicines can cause muscle cramps. 4  Most muscle cramps can be stopped if the muscle can be stretched.
Preventing Leg Cramps. 1  1. Drink plenty of fluids every day to reduce the risk of cramps from dehydration. 2  2. Wear shoes that have cushioned foot beds and arch supports. 3  3. Use a pillow to prop your knees up while lying in bed.  4. Sleep under looser 1  sheets. 5. Stretch, walk or use a stationary bicycle for 5 minutes before going to  bed.