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Visit store Items for sale About us Product Details Product description 1: Wide range of applications 2: Simple to use 3: Smart home wireless control and other occasions 4: Long service life 5: Exquisite appearance The ESP8266 eight-channel 30A relay development board is equipped with the ESP-12FWiFi module, the I/O ports are all led out, and the DC7-28V/5V power supply mode is supported. Provide Arduino development environment reference code, suitable for ESP8266 secondary development and learning, smart home wireless control and other occasions. Features 1, Onboard mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash 2. The I/O port and UART program download port of the WiFi module are all led out, which is convenient for secondary development; 3, the power supply mode supports DC7-28V/5V; 4, Onboard WiFi module RST reset button and a programmable button; 5, ESP-12F supports the use of development tools such as Eclipse/Arduino IDE, and provides reference programs in the Arduino development environment; 6, Onboard 8-way 5V/30A relay, output switch signal, suitable for controlling the load whose working voltage is within AC250V/DC30V; 7, Onboard power indicator, relay indicator and 1 module comes with LED; 8, Onboard two shift registers 74HC595 control relay switch. list 1*DC7-28/5v power supply ESP8266WIFI eight-way 30A relay module 1*Single row needle 22p 1*shorting cap Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address , please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.