<p>1. Support 6-8.4V voltage input, flexibly adapt to two 18650 or 26650 lithium batteries in series, stable operation under different battery configurations, and improve the versatility and endurance of the flashlight.</p> <p>2. The integrated switch in the middle of the flashlight is convenient for one-handed operation. Whether it is outdoor adventure or daily use, the switch can be controlled quickly and easily to improve the user experience.</p> <p>3. Optimize the circuit design to provide stable current output to the maximum brightness of the flashlight, while reducing energy consumption and extending battery life.</p> <p>4. Adopt high-efficiency driver chip, optimize circuit design, reduce power consumption and heat, and improve the overall performance of the flashlight.</p> <p>5. Suitable for a variety of high-intensity flashlight bodies, adapt to a variety of and models of lamp beads, providing a wide range of upgrade options for DIY enthusiasts.</p> <p>Input voltage: 6-8.4V (suitable for two 18650 or 26650 batteries in series,No batteries included, you need to prepare them yourself)</p> <p>Output voltage: 6-7.2V</p> <p>Output current: 1.8-2.3A (suitable for 15-20W lamp beads)</p> <p>Gear: three gears (high-low-strobe) or five gears (high-medium-low-strobe-SOS)</p> <p>Due to different batches, there may be differences in product appearance and printed text, which not affect use</p> <p>Specification:A:Type-C Interface</p> <p>Colour:Green</p> <p>Material:PCB</p> <p>Package Contents:</p> <p>1 x Dual lithium driver board</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>