1. The fixture is an accessory of Capsule Sensor V3, which can modify the underlying program of Capsule Sensor V3, can be used for secondary development and design, and has a USB interface. 2. Thanks to WirelessBoot technology, the Capsule Sensor V3 accessory is a good choice for capsule program modifications. 3. Take out the board inside the capsule, open the fixture and press the spring end, there will be one end of the 6 probes, use it to clamp the board corresponding to the six holes inside the capsule, and connect the USB interface at the other end, you can read the underlying program for secondary development. 4. Enhance your development capabilities with the Heltec Capsule Sensor V3 Programming Fixture. 5. This essential accessory is designed specifically for modifying and programming the Capsule Sensor V3, making it an ideal tool for developers looking to engage in secondary development. Colour:As shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * V3 Programming Fixture Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.