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

1. Support AC/ DC Voltage and remotely turn on/off the connected lights/appliances by iOS/Android App eWeLink or 433MHz RF Remote. You can use WiFi to remote control 4 devices separately.
2. It is a 4 gang WiFi switch. It supports switching among 3 working modes: interlock/self-locking/inching(0.25-4s adjustable) mode.
3. The smart socket can create 8 enabled single/repeat/countdown timers to automatically turn on/off at the specified time. The timers can run themselves even when network is unavailable.
4. To let the devices be controlled by your family, you can simply share the devices to families and give specified timers permissions. It also support create some scenes or smart scenes to trigger ON/OFF the switch.
5. Compatible perfectly with Amazon Alexa, Google Home.You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off Sonoff 4CH Pro.