1. Onboard and stable ESP32-WROOM-32E module, large capacity 4M Byte Flash 2. All I/O ports and UART program download ports of the ESP32 module are brought out, which is convenient for secondary development 3. Onboard Micro_USB port + DC-5-80V to 5V power supply circuit (DC-12V power supply is recommended) 4. Onboard IO 0 programmable button 5. ESP32 supports for IDE compilation tools and provides reference programs in for the development environment; Onboard drain-source voltage 6OV N-channel MOS tube, suitable for controlling loads with "control working voltage" within DC60V Color: Blue Material: PCB Package Contents: 1 * MOS Switch Module 2 * 10P Double Row Pins 1 * 6P Single Row Pin 1 * Shorting Cap 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.