This is a Fluke 28 II True RMS Industrial Multimeter, designed to withstand water and dust with an IP67 rating.
It features a bright, backlit keypad and large digits for easy viewing in dark environments.
The device is ruggedized to handle drops of up to 3 meters (10 feet) and complies with international safety standards.
It measures AC/DC voltage and current, resistance, continuity, frequency, and capacitance.