You can setup the following SMS alerts in the Istartek PT21 GPS animal tracker: (low battery, panic button, geofence), when PT21 device detect an alert send a SMS message. The Istartek PT21 GPS animal tracker you can control the hours of service from an online Tracking Management Platform, sending SMS messages or using a smartphone app, always depending of your need. For protect in emergency case, Istartek PT21 integrates a "Panic button" that generate emergency calls to a different phone numbers, this function is more oriented to the GPS personal tracking. The plastic cover of Istartek PT21 GPS animal tracker has (IP67 - Waterproof) protection that is ideal to locate (animals, pets, persons) in extreme weather conditions. If use PT21 from our GPS platform that has European regulations of tachograph, you can manage some type of scheduled reports and control the care driving or also use our REST API to connect existing applications, in addition you can use without extra cost our automatic data sending service to external servers and control their field service management depending of your need or manage their service routes and deliveries tasks that help you to reduce cost. Using PT21 for mobile asset or vehicle tracking in our GPS platform, you can also manage their mobile asset efficient driving without requirement limit and control their event management depending of your need or also manage the control of driving habits of their drivers, in addition you can manage their mobile asset fuel consumption control that help you to reduce company cost and you can also control their preventative maintenance without any requirement limit or you can locate their PT21 device using our mobile applications fror mobile asset tracking, also you can control their automatic vehicle dispatch depending of your need and manage their mobile asset hours of service control (HoS) that help you to reduce cost.