433MHz + voice control + application control + on / off It is especially suitable for the elderly, lactating mothers, pregnant women, the disabled and children. 433mhz function + WiFi function in one, more intelligent and humanized. Countdown function,You can set the countdown of humidifier, microwave oven, coffee machine, etc. The device stop automatically. Don't worry about the equipment working all the time. The master account has exclusive permissions. Click to share permissions with the entire family. Let family enjoy the fun of smart life., Manufacturer: Akfldms