Maitys 20 Pcs Student Thermometers Mercury Free Science Thermometer School Supplies Boiling Point Thermometers for Classroom Teaching Tools sold2024 Specification Package includes: 50 x

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Interface A: USB 3

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trigger current 5mA Module working voltage: 5V/12V/24V The module can be triggered by a jumper to set high or low level

Maitys 20 Pcs Student Thermometers Mercury Free Science Thermometer School Supplies Boiling Point Thermometers for Classroom Teaching Tools sold2024 Specification Package includes: 50 xMaitys 20 Pcs Student Thermometers Mercury Free Science Thermometer School Supplies Boiling Point Thermometers for Classroom Teaching Tools Product Features Size Details: the student thermometers have proper size, approx. 1. 5 x 5. 5 inches 3. 9 x 14 cm, easy to get noticed, convenient to realize temperature; And you can carry them to other places easily, will bring you convenience in using Reliable Material: these freezer thermometers are mainly made