Itead Sonoff IW101 US Wi-Fi Smart Power Monitoring Wall Switch

features including remote control, voice control, timing schedule, smart scene, share control, etc.
Features:
*APP Remote Control: Don't want to back home to turn off the light after leaving? Fear not, try eWeLink APP to control device far away.
*Timing Swtich on/off: Supports timers to turn on/off at specified time. The coffee maker turns on automatically in the morning, the bedroom light turns off automatically in the evening.
*Energy-saving, Money-saving: Monitor power consumption of devices and provide a summary, showing how much each one contributes to your monthly electricity bill.
*Over-load Protection Made Safe Work: Keep devices working under the limit voltage you set, reach and stop to supply power, preventing any damage from overvoltage to downvoltage.
*Hands-free Voice Control: Runing your appliances is as simple as saying it. For example, Alex-a, turn on the kitchen light.
*Control Your Home Even Without Internet: Whether the internet is avaible or not, your devices still work as long as your smartphone and the switch/socket is connected to the same Wi-FI router.