Jrifedptry DC 12V PWM 2-3 Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm, Blackhead Probe

Use high-quality materials with guaranteed quality, Small size and exquisite appearance. Wide application range. Display Description: Three digit Nixie tube: display specific parameters and values. Features: 2-3 wire fan temperature control speed controller, digital display of temperature and speed, speed regulation based on voltage (non-pulse output, no current sound), supports 0.2-2A current range fan, and can be shut down at low temperature. LED "X10 RPM": the speed unit light, which is on, and the Nixie tube displays the fan speed. The value multiplied by 10 is the actual measured speed. For example, if 256 is displayed, the actual fan speed is 2560RPM (r/min). LED "℃": temperature unit light, which lights up, and Nixie tube displays the temperature measured by the current probe. LED "RUN": Fan running indicator light, lit when the fan is running and turned off when the fan is turned off.