Fluke’s 279 FC TRMS Thermal Multimeter integrates a full-featured true RMS digital multimeter with a thermal camera in one device to speed troubleshooting. It features 15 electrical measurement functions, optional iFlex clamp and 3.5” (8.89 cm) full-color LCD screen. It has a rechargeable lithium ion battery that lasts up to a full work day (10-plus hours) under normal conditions. It is part of a system of wireless test tools that communicate via the Fluke Connect app.