Feature Highlights: 1. Reliable ESP32-WROOM-32E Module – Equipped with a stable onboard ESP32-WROOM-32E, featuring a large 4MB Flash memory for smooth operation. 2. Easy Secondary Development – All I/O ports and UART program download ports are accessible, making customization and expansion straightforward. 3. Wide Voltage Input Support – Includes an onboard DC 12V to 3.3V power circuit, compatible with DC 5-12V power supply for flexible use. 4. User-Friendly Controls – Features a reset button and a programmable IO0 button for convenient operation and setup. 5. High-Capacity Relay Output – Integrated with 16 relays supporting switch signals for loads up to AC250V/DC30V, ideal for home automation and control projects. Product Details: This ESP32-based 16-channel relay module is built for stability and ease of use. It supports development in the for IDE and comes with reference programs to help you get started quickly. The board is designed with a sturdy PCB and includes all necessary ports for hassle-free programming and integration. Perfect for automating appliances, lighting, or DIY electronics projects, it offers a practical solution for secure and efficient control. Specifications: - Model: ESP32 16-Channel Relay Module - Color: As shown in images - Material: PCB - Package Includes: 1 × DC Powered ESP32 16-Way Relay Module, 2 × Pin Headers Note: Product appearance, color, or printed text may vary slightly between batches, but this does not affect performance. Slight color differences may occur due to lighting or screen settings. Dimensions may have a tolerance of +/- 1–3 cm.