4G GPS tracker, portable, extended battery powered, light weight, discreet, no installation required, covert tracking, Pelican Case. Take the QT-V4 to the next level and get the QT-V4 Pro. It's the same QT-V4 including a Pelican Case with a 80lb-pull magnet for adhering to steel and an extended battery that increases operational time to 140 hours. A discreet, water-resistant, live GPS tracker designed for personal, worker, pet, vehicle, and asset tracking. Its simple, lightweight design makes it an ideal device for applications requiring rapid emergency alert or geo-fence setting based on live location. The built-in 3-axis accelerometer allows motion detection and extends battery life through proprietary power management algorithms.