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Keywords you may need： Sensors Modules Esp8266 Board R3&ATMEGA2560 NodeMCU Sheild Screw sheild Nano Sheild Relay Temperature Controller Displays OLED LED&RGB LCR Amplifier Power supply Step Up Step down Converter Switch GPS Light Wireless/Wifi Dear customer: Thank you for visit our store,we are proffessional "Business & Industrie" seller for 10 years,our main products included:Sensors,modules devolpment board, LED displays, other IC procuts an so on,any question about DIY robot,Arduino,or Raspberry Pi will be welcome to discuss with us,we will try our best to supply the most advanced product and price,(if we sale more,the cost of made one product will be reduce and we will change or price to make you save more. Hope you enjoying yourself here! We appreciate your business! Shipping Payment Refund Feedback Shipping We will arrange shipping for you within 24 Hours after payment cleared except the holidays. We only ship to the confirmed address provided by PayPal. Before you pay, please make sure your address in PayPal 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. -We ship items to Worldwide. Thank you! -we will ship out the order in 1-2 business days after payment cleared .Since it is international shipping ,delivery time is about 15--28 business days to arrive to most countries. Payment We accept PayPal payment ONLY. Refund * We believe our items are so outstanding. We are convinced you will be happy with your Purchase. * If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse. * Please include your eBay ID and item number with any email requests. Feedback * When you satisfied with our product and services please leave us positive feedback. * If you have got the package, please confirm " Delivery on time " For us. * If a problem occurs, contact us immediately with any email request. * Just contact us using the " Ask the seller a question" link on eBay. 1/2/3/4CH Ewelink WiFi Remote Control Switch Bluetooth Wireless Relay Module Nomenclature Description Self-locking mode: press the key once, the switch opens, press the key again, the switch closes. Tap mode: press the key once, the switch opens 0. 5s and then closes automatically. (Tap time can be set by software) Interlocking mode: if you press the key of the first road, the first road opens and all other roads close. (i.e. only the controlled switch can open) Features 1、For Android, ios, tablet end, APP, wechat small program control. 2、With 1-4 independent switches, can be self-locking, pointing, interlocking. 3, can be timed, delayed, cycle timing (timing up to 8 groups, control electric] is not recommended to use the timing function). 4, 1 cell phone can add unlimited number of devices, 1 device can be shared to 20 cell phones at the same time. 5, As long as the connection to the wifi can be connected to the Internet, not limit the distance. 6, can be bound to the YiWeiLian l0T camera visual operation. 7, support voice recognition speaker control, such as Mijia, Xiaodu, Tmall Genie, Huawei Smart Life. Specification Product Name：Dual-mode wifi relay module Product Model:YS-WK4A Operating voltage: DC 7-24V Standby power consumption: about 0.4W Working power consumption: about 0.4+ (0.5*n) W (where n is the number of switches open) Output port: Mechanical switch output port, with normally open and normally closed. Port withstanding voltage: AC 0-250V5A (about 1000W resistive load), DC 0-30V7A Control mode: wifi network control Networking: Bluetooth network (fast pairing, easier than the old single-mode version of the operation) Supporting software: YiWeiLian (can be downloaded from the major cell phone application market search) Use environment: support Android, Apple, cell phone control (provide special app, no monthly fee) Working mode: self-locking, spotting, interlocking, timing, time delay, etc. can be set. Remote control description: can match the EWL light intelligent remote control. Router compatible frequency: 2. 4G (does not support 5G router, such as dual-frequency router need to close the 5G and restart the router) Support third-party platforms: For Xiaomi Home, Tmall Genie, Xiaodu, Huawei Smart Life, etc. Complete operation flow Note: wifi needs to be connected to 2.4G, the name and password can not have underscore and Chinese characters. 1, cell phone login home router 2.4G wifi, open the cell phone bluetooth, and go to the cell phone application market to download the "YiWeiLian" software, installation and registration is complete. 2、Connect the corresponding power supply to the wifi switch, the indicator light will flash twice and light once. 3、Long press the pairing button for 7 seconds and then release it, the indicator light will flash 2 times and stop for a while, then it will enter the pairing status. 4、Click the + sign at the bottom of "EWL" software, then select "Bluetooth Pairing" and click the next step, in the search "device list" click the found Bluetooth devices, and then click the next step. Select 2.4Gwifi and check the wifi name and password are correct. and check the wifi name and password are correct. 5、After successfully adding the match, the button of the device will appear on the main page of the cell phone, wait for 1 minute to be able to control it online. List 1 x Relay module (with or without antenna optional) Am 08.08.2023 hat der Verkäufer die folgenden Angaben hinzugefügt: