WiFi Relay Tuya Smart Switch Module 12V Smart life APP Remote Control Timer DIY Inching Self-Locking Work with Alexa Google Home

1 channel: dc5v-32v single channel, inching / self-locking switch, single channel control WiFi module CE / RoHS 2 channels: dc5v-32v two channels, inching / self-locking switch, two channels control WiFi module CE / RoHS 3-way: dc5v-32v, 4-way, inching / self-locking switch, 4-way control WiFi module CE / RoHS