It is an LM317T Adjustable Voltage Regulator. They are designed to supply more than 1.5 A of load current with an output voltage adjustable over a 1.2 to 37 V range. The nominal output voltage is selected by means of a resistive divider. This makes the device exceptionally easy to use and thereby eliminating the need for stocking of many fixed regulators.
2 x LM317T Adjustable Voltage Regulator.
15 Days Warranty Against Sealed Product
This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defect. Reimbursement or replacement will be done against manufacturing defects.
What voids the warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Warranty Against Sealed Product:
This product comes with manufacturer seal so, warranty Policy shall cover only those issues pertaining to the manufacturing defects in the product. In any other case, No return will be accepted if the seal is broken.