โมดูลสวิตซ์ 5 โวลต์ esp 8266 esp - 01 4 ช่อง wifi สําหรับโทรศัพท์มือถือ 5V ESP8266 ESP-01 4 Channel Wifi Relay Module

5V ESP8266 ESP-01 4 Channel Wifi Relay Module Remote Control Switch For Smart Home IOT Transmission Phone APP Controller 1.Description: ESP8266 WIFI 4-Channel Relay Module is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN).It is easy to set . 2.Features: 1>.Integrated design. 2>.APP remote control. 3>.DC 5V work power supply. 4>.On board high quality MCU and ESP8266 WIFI module. 5>.Support Two Work Mode: Mode 1:cellphone carry on WIFI module directly. Mode 2: cellphone and WIFI module carry on router together. Additional features:USB Relay Module(without ESP8266). 6>.Transmission distance: In the open environment,when mobile phone is carrying on the WIFI module ,maximum transmission distance is 100 meter. When the WIFI module and cell phone carrying on the router at the same time the signal transmission distance depends on router signal. 7>.Use the Smartconfig technology to complete the configuration of the account and password of the ESP8266 WIFI module on the mobile APP. The configured account and password will be memorized after power off. 8>.Optocoupler isolated output, safe and reliable. 9>.The board contains 220V,10A/250V AC 10A/30V DC Songle original relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time. 10>.PCB material and manufacturing process meets the standards of RoHS. 11>.On board relay LED indicator , mode option and working statue LED indicator. 12>.Reserved UART debug interface and MCU download port for program. 3.Parameters: 1>.Product Name:DC 5V ESP8266 WIFI 4-Channel Relay Module 2>.Working Voltage:DC 5V 3>.Load Voltage:DC 30V 10A /AC 250V 10A 4>.Work Temperature:-40℃~85℃ 5>.Work Humidity:0%~95%RH 6>.Size:63*60*20mm Package Include: 1PCS * 5V ESP8266 ESP-01 4 Channel Wifi Relay Module Remote Control Switch (With ESP-01) Before purchase: 1.All the goods are ready stock, we will arrange the shipment at once if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. 3.No warranty,if you receive a defect item,please contact us at once with item picture. 4.Use the vouchers for more saving. Shipment： 1.1-2 days to ship(except for the pro-order item) and 10-15 days shipment. 2.If you have not received the item after 15 days shipment,Please contact us. After purchase: 1.If you are satisfied，please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or video #5V #ESP8266 #ESP-01 #4 Channel #Wifi Relay Module #Remote Control Switch #Smart Home #IOT #Transmission #Phone #APP