ITEM NAME:MAX6675 Module + K Type Thermocouple Sensor Module for Arduino L3U9 MAX6675 Module + K Type Thermocouple Sensor Module for Arduino L3U9 The Output mode:SPI digital signal With a Fixing hole for easy to fix and install. Size: 25 x 15 x 13mm/1" x 0.6" x 0.51"(L*W*H) Material: Electric Parts Model: MAX6675 Working Voltage: DC 5V Working Current: 50mA Temperature Measurement Range: -20 °C to 130 °C The Temperature Measurement Accuracy: +/-1.5C The Temperature Resolution :0.25C 4-Pin Jumper Wire Length: 18cm/7" Thermocouple Lead Length: 1M / 39.4" Thermocouple Type: K Type Package include: 1x MAX6675 Module 1x K type Thermocouple 1 x 4Pin Jumper Wire Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.