2Pcs W1209 DC 12V Digital Temperature Controller Board Module Switch Micro Thermostat 50 110C Electronic Thermometer with Waterproof Sensor Probe

【SMD Patch Technology】Using SMD patch technology, high accuracy, stable performance. 【Stable Performance】The module has been tested for stability, consistency and reliability. 【Temp Range】Wide temperature measuring range -50~110°C, error 0.1℃ only. 【On-board MCU Chip 】On-board MCU chip for more intelligent control. 【Excess Measuring Range Disconnection】When exceeding the measuring range, the temperature controller will force the relay to disconnect.