Fieldpiece JL3KR4 Job Link probes charge kit is a must-have accessory for a modern HVAC/R technicians. It allows users to tackle various tasks at the jobsite in a professional and up-to-date way. Being created to perform quickly and precisely, this kit improves your job and leads to perfect results. From now on, the users are capable of checking the system charge quickly and easily with the help of Job Link Mobile System App. In addition, this useful feature allows for a quick unit check and determines the need for troubleshooting. Beneficial features allows to send the signal/measurements up to 350' away to a mobile device; specific design and an angled (45°) fitting allows for easy connection in tight areas; gets stabilized in less than five seconds; accurate connection is indicated by an LED and a beeper; can be connected to irregular pipe shapes by virtue of a narrow jaw; switching on ensures automatic calibration. What's in premium pipe clamp probes (2); pressure probes (2); protective case; batteries (2 per probe; 8 in total).