Features: High quality 2-Channel relay module, stable performance. This module conforms to international safety standard. Professional manufacturing, exquisite workmanship, high reliability. Intelligent APP remote control design, very convenient. Home appliances can be operated through APP remote control: remote switch, timing start, delay operation. Specification: Condition: 100% brand new Model: YF-WF-02 Power supply: AC220V Load power: 10A APP download: search for " eWelink" installation Product functions: 1. Inching function: the mobile phone will be disconnected by pressing the "on" relay for 1 second; 2. Switch function: press the "on" relay to close and press the "off" relay to disconnect; 3. Timing function: for example; Set the time of day a few minutes to start/stop; Unlimited groups can be set 4. Delay function: for example; Start/stop after 2 hours; Set multiple groups 5. Cycle function: for example; Set start for 10 minutes and stop for 1 hour; An infinite loop 6. Voice function: it can connect to TmallGenie and other intelligent speakers for voice control 7. Manual function: start/stop can be manually controlled. Package List: 1 x Relay Module 1、High quality 2-Channel relay module, stable performance. 2、This module conforms to international safety standard. 3、Professional manufacturing, exquisite workmanship, high reliability. 4、Intelligent APP remote control design, very convenient. 5、Home appliances can be operated through APP remote control: remote switch, timing start, delay operation.