Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Type(optional): 1-channel/2-channel/8-channel _x005f_x000D_ Control chip: based on ESP32 system, integrated WiFi, Bluetooth and BLE (low-power Bluetooth) function. _x005f_x000D_ Communication mode: support WiFi, classic Bluetooth and BLE three kinds of communication mode, can achieve LAN control and low-power device connection. _x005f_x000D_ Development environment: Supports programming and development using Arduino IDE, or you can choose other development environments and languages. _x005f_x000D_ Security: Provides secure authentication and encryption mechanisms to ensure communication and data security. _x005f_x000D_ Compatibility: Compatible with other ESP32 modules, sensors and expansion boards, etc., and can be integrated with a variety of devices and platforms. _x005f_x000D_ _x005f_x000D_ DC5-60V 1 way: _x005f_x000D_ Operating voltage: DC5-60V _x005f_x000D_ Number of relays: 1 way output _x005f_x000D_ Size: 58x54x17mm/2.28x2.13x0.67inch _x005f_x000D_ Weight: 31g _x005f_x000D_ DC5- 60V 2-way: _x005f_x000D_ Working voltage: DC5-60V _x005f_x000D_ Number of relays: 2-way output _x005f_x000D_ Size: 75x48x17mm/3.07x1.89x0.67inch _x005f_x000D_ Weight: 42g _x005f_x000D_ DC5- 30V 8-way: _x005f_x000D_ Working voltage: DC5- 30V _x005f_x000D_ Number of relays: 8-way output _x005f_x000D_ Size: 148x80x17mm/5.83x3.15x0.67inch _x005f_x000D_ Weight: 147g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x WIFI Bluetooth-compatible BLE Relay Module 1. Powerful Integrated Functionality: Based on the ESP32 system, this relay module integrates WiFi, classic Bluetooth-Compatible, and BLE functionality, providing flexibility with multiple communication options. 2. Multiple Relay Outputs: The power supply module offers the flexibility to choose between 1, 2, or 8 relay outputs, catering to various application scenarios. This provides greater control flexibility to meet different needs. 3. Remote Control Capability: By connecting to a WiFi network, you can remotely control the relay switch status, allowing for remote control and monitoring. Users can conveniently operate the ESP32-wroom development board from anywhere at any time. 4. Low Power BLE Connection: It supports low-power Bluetooth-compatible (BLE) connectivity, enabling wireless connection with devices such as smartphones and tablets. Control can be achieved through a mobile application, resulting in energy efficiency and extended battery life. 5. Security Assurance: The secondary development board supports secure authentication and encryption mechanisms, ensuring the security of both communication and data. This provides peace of mind for users concerned about privacy and protection.