Description of ESP01 WiFi 4 Channel IoT Smart Switch 4CH ESP01 WiFi 4 Channel IoT Smart Switch 4CH This 12V Dual WiFi Relay Module features an ESP-01 WiFi chip and STM8S103 microcontroller for reliable wireless control of two relays via mobile app. It supports direct and router-based modes, SmartConfig setup, USB relay function, and offers stable long-range transmission with real-time status indication—ideal for smart home and IoT automation. Key Features Onboard ESP-01 WiFi module and STM8S103 microcontroller Supports two working modes: direct connection or router-based WiFi control 12V 10A relay supports up to 250V AC or 30V DC loads SmartConfig-enabled for easy app-based WiFi setup Operates as a USB relay when the ESP-01 is removed Includes status indicator LEDs for real-time monitoring Technical Specifications: Parameter Specification Relay Ratings 10A / 250V AC, 10A / 30V DC Control Interface ESP-01 (WiFi), USB (optional) Microcontroller STM8S103 Transmission Distance Up to 100 meters (open space) Power Supply 12V DC Board Dimensions 59mm × 40mm Applications Smart home device control IoT automation systems Wireless lighting and appliance management DIY electronics and embedded systems development Industrial automation Packaging Details 1 X ESP01 WiFi 4 Channel IoT Smart Switch 4CH Why Choose This ESP01 WiFi 4 Channel IoT Smart Switch 4CH? Reliable WiFi control, dual modes, app-based setup, USB relay support, compact design, and real-time status LEDs. Where to Buy ESP01 WiFi 4 Channel IoT Smart Switch 4CH? This Product is available at TechShop, a trusted supplier of Robotics & Electronics in Bangladesh. Visit our office or order online to enjoy swift delivery across the country. We offer the ESP01 WiFi 4 Channel IoT Smart Switch 4CH at the best price in Bangladesh. Our product ensures reliability and quality, backed by customer support from a skilled technical team. Enjoy prompt shipping and warranty protection for a worry-free purchase. Why Should You Buy Products from TechShop? There are many reasons to shop at TechShop Reliability: We ensure that all our products are of the highest quality and come with a Warranty and Replacement service Easy Policies: If you encounter any issues, our quick and hassle-free replacement policy ensures your work continues without interruptions. Customer Support: Our customer support team is always available to ensure you have the best shopping experience. Buying from TechShop means a safe, hassle-free, and cost-effective experience! Attention Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please contact us to determine if further actions may be taken. Need Help? Our engineers are available to assist you. If you have any queries, please leave a comment below or call 09678110110 from 09:00 am to 08:00 pm (7 days a week). You can also reach us via Live Chat or Facebook Inbox.
