LOS ANGELES (AP) - You can use wearables with GPS to keep track of wandering dogs. Others help you track animals' physical activity.

LOS ANGELES (AP) You can use wearables with GPS to keep track of wandering dogs. Others help you track animals' physical activity.

Now, two companies have the latest in wearable pet technology collars that can check for a fever, monitor pulse and respiration, and even indicate if your pet is in pain.

PetPace, based in Burlington, Massachusetts, has a medical collar that can measure a dog's vital signs and other information to look for signs of pain. Irregularities trigger a notice to by phone, text or email.

Voyce, created by I4C Innovations and based in Chantilly, Virginia, has a consumer version that tracks similar information. It also has a Voyce Pro that is available to veterinarians.

The collars are available online starting at $150. There's also a monthly charge of about $10 to $15.