Features:
Light weight, long life.
No moving parts, easy to move.
High reliability and no pollution.
Heating side is empty.
Red wire to positive, black wire to the negative, it generate electricity when the temperature difference happened.

Specifications:
Model: SP1848-27145
Color : White
Length: about 300mm
Size: 40mm x 40mm x 3.4mm
20 Degree Temperature Difference: Open-circuit Voltage
0.97V,Generated Current: 225MA
40 Degree Temperature Difference: Open Circuit Voltage 1.8V,
Generated Current: 368MA
60 Degree Temperature Difference: Open Circuit Voltage 2.4V,
Generated Current: 469MA
80 Degree Temperature Difference: Open Circuit Voltage 3.6V,
Generated Current: 558MA
100 Degree Temperature Difference: Open Circuit Voltage 4.8V,
Generated Current: 669MA

The values are for reference only, the wiring in actual use, and the step-up board, there will be loss of current.

Package included:
1x Thermoelectric Power Module