Description
5V ESP8266 WIFI Relay Module Dual Channel ESP-12F Development Doard Product Image: Product Description: Function: 1. Onboard mature and stable ESP-12F WIFI module, large capacity 4M BYTE FLASH; 2. The I/O port of the WIFI module and the UART program download port are all led out to facilitate secondary development; 3. Onboard WIFI module RST reset button; 4. ESP-12F supports the use of development tools such as ECLIPSE/ARDUINO IDE, and provides ARDUINO Reference program in the development environment; 5. Onboard 2 5V relays, output switch signal, suitable for controlling the working voltage of AC Load within 250V/DC30V; 6. Onboard power indicator, 1 programmable LED and relay indicator. Product Size: Package: 1x 5V Power Supply ESP8266 WIFI Dual Channel Relay Module ESP-12F Development Doard Feedback Warranty Shipment Feedback We appreciate your feedback very much. As it will motivate us do better. If you have any questions with our goods or service, Please kindly contact us firstly before leaving negative feedback. Thank you in advance Warranty 1. All merchandise will be carefully test before shipping. We will try our best to avoid any quality problem. 2. We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by customer. 3. If you are not satisfied with the product, Please contact us. We'll provide you a satisfying solution. Shipment 1.Normmly we will send the goods within 1-3 working days after your payment is verified . 2.Please check if the goods are in good condition and sign before the delivery man leaves.If you find the product is lost or damaged on the way. Please take photo and let the delivery men confirm it. Then we will help you let the shipping company compensate you. On Jan-07-21 at 06:21:16 PST, seller added the following information: