This is a thermometer (needle),  helps you tomknow  melting temperature of the wax; Extremely accurate and reliable.

Sold with case.

Technical parameters:

• Measurement range -50 ° C ~ + 300 ° C
• Accuracy 1 ° C
• Battery LR44 x 1.5V
• Spike dimensions Ø 3.5 x 110 mm
• sold without battery