Feature: 1. High Stability: This wireless relay module features single channel self locking design and strong interference resistance, ensuring optimal and stable performance for your devices. 2. Wireless Remote Control: Support 2.4GHz WiFi and Bluetooth connection, you can connect and control this relay module wirelessly from a distance, ensuring convenience. 3. Flexible Power Input: With an input voltage range of DC AC 7‑32V or USB 5V, this WiFi switch relay module offers flexible power options to fit your needs. 4. Wide Compatibility: Compatible with both for Android and for iOS systems, this wireless switch module allows for easy control via smartphone or tablet, providing a practical solution for various home appliances. 5. Reliable Material: Made of PCB material, this WiFi switch module is designed to withstand temperatures ranging from ‑20℃ to 70℃, ensuring durability and long lasting performance. Specification: Item Type: WiFi Relay Module Material: PCB Input Voltage: DC AC 7-32V, USB 5V Maximum Power: 2200W 10A Wireless Standard: WiFi 2.4GHz b g n, Bluetooth Operating Temperature: -20℃ to 70℃. Package List: 1 x WiFi Relay Module Note: Before using this device, please check the following:1. Your smartphone or tablet has been connected to a 2.4G WIFI that can access the internet (5GWIFI is currently not supported).2. The phone has Bluetooth enabled.3. A phone or tablet using for Android system must be version 4.0 or higher.4. To use an for IOS phone or tablet, it must be able to access for APP store and download the APP.5. If your wireless router has set address filtering, please first enter the router background to disable filtering function.