SA-004 10A EWeLink APP Remote Timing WiFi Smart Socket Works with Alexa and Google Home, US Plug 1. WiFi smart socket, make home electronic appliances smart. 2. Scheduled timing, scheduled on off any electrical devices, live a care-free life. 3. Overload protection, more safety, preset a power current voltage threshold value, once it reaches the threshold value, it will auto-turn off connected appliance. 4. You can set a scheduled timer to turn on your water heater remotely on a regular basic, have a comfortable hot bath to dispel the day's fatigue when you arrive home. 5. Countdown timer to avoid overcharge, overcharge will easily damage your battery, and may cause safety problem, with this smart socket, you can set a 3 hours countdown timer for your charger. 6. It is a universal smart socket for all kinds of appliances, with eWeLink, you can wireless control your appliances from anywhere in the world. 7. Compact size, you can stack two mini smart plugs in the same outlet. 8. Control appliances with your voice via Amazon Alexa and Google Assistant.