1. Universal shell, the kit needs to be -assembled, easy to . 2. Abundant input interfaces (two or more interfaces are prohibited from being connected at the same time). 3. The installation is diversified, and the screen can be rotated . 4. Compatibility: suitable for XYH3606 DC -boost converter. NOTE:1. The circuit board has own NTC temperature sensor, which automatically senses the temperature, starts and stops the fan and controls the fan speed according to the temperature. 40 Celsius, it will stop after 3S operation 40-50 Celsius vulgar rotation 50-60 Celsius medium speed rotation Above 60 Celsiusfull speed rotation Colour:black Material:Aluminum alloy Size: x 65 x 57mm Package Contents: 1 * middle frame 1 * front panel 1 * rear panel 2 * output banana socket 2 * input power cord 1 * fan 1 * fan control board 1 * assembly screw nut kit Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.