Features 1、EFFICIENT CONTROL PERFORMANCE: The ESP32 wireless control 16 way driver module utilizes WIFI and BT functions for easy remote control of up to 16 devices from any terminal like a smartphone, enhancing automation projects. 2、VERSATILE APPLICATION: Compatible with 16 way 5V relays, this module is plug and play, saving installation and debugging time for both businesses and individuals in various smart remote control projects. 3、ULTIMATE CONVENIENCE: With a USB to serial module, programming the module directly saves debugging time, making development work more convenient. 4、STRONG COMPATIBILITY: Whether in smart homes, industrial automation, environmental monitoring, or other scenarios, the wireless 16 way driver module excels in performance and stability, providing quality solutions. 5、IDEAL REPLACEMENT: Delicate craftsmanship make the driver module an ideal replacement for the old and damaged parts, also for DIY automation projects. Specification Item Type: ESP32 Wireless 16 Way Driver Module Material: PCB Product Function: Utilize ESP32's WIFI and BT functions to control 16 channels of relays or other devices remotely from a terminal (such as a mobile phone) via WIFI or BT Product Features: 1. Wireless end can simultaneously control 16 switches; 3. Can be programmed by USB to serial module Package List 1 x Module 1 x User Manual