Wi Fi Relay Module DualChannel PCB 880V for ESP8266 Secondary Development Learning

Feature: 1. Due to the excellent craftsmanship, not easy to cold joint, for you to use. 2. Relay PCB pin anti‑climbing design is more secure, safely for you to use and operate. 3. With unidirectional optocoupler isolates input and TVS input , in use. 4. Adopting PCB material, it has the function of conductive circuit and insulating bottom plate. 5. Relay module is really suitable for secondary development and learning of ESP8266. Specification: Item Type: Relay Module Material: PCB Working Voltage: 8-80V Purpose: Suitable for ESP8266 secondary development and learning Package List: 1 x Relay Module 2 x Pin Header 2 x Socket