Sonoff 4CH Pro 433MHz Remote Control + WiFi Smart Timer Switch, Interlock/Self-locking, 3 Working Modes, Compatible with Alexa and Google Home, Support iOS and Android, 4CH Pro

1. Support AC/DC voltage and remotely turn on/off the connected lights/appliances via iOS/Android app eWeLink or 433MHz RF remote control. You can use WiFi to remotely control 4 devices separately.
2. It is a 4 gang WiFi switch. It supports switching between 3 working modes: interlock / self-locking / pulse mode (adjustable from 0.25 to 4 seconds).
3. The smart plug can create 8 single/repeat/countdown timers enabled to automatically turn on/off at the specified time. The timers can run alone even when the network is not available.
4. To allow the devices to be controlled by your family, you can simply share the devices with families and grant permissions for the specified timers. It also supports creating some scenes or smart scenes to turn on/off the switch.
5. Perfectly compatible with Amazon Alexa, Google Home. You can directly ask Amazon Echo / Echo Dot / Amazon Tap to turn on / off Sonoff 4CH Pro.