Features: 1. This WIFI smart switch, traditional switch and smart switch can be controlled independently without interfering with each other. 2. Voice control works with Alexa and Google Assistant. Simple voice commands make life easier. 3. APP remote control, remote control of lights or appliances at home anytime, anywhere through the Tuya APP. 4. You can control multiple devices with one phone, or share with your family by controlling one device with multiple phones. 5. Easy to operate and use, wide range of applications and long service life. Specification: Material: ABS Start mode: cell phone APP control, voice control Input voltage: 220-240V 50Hz Max. Load power: 2300W WiFi standard: 2.4GHz 802.11 b/g/n Style: 1 pcs, 2 pcs, 3 pcs, 4 pcs Product size: 46*46*18mm Package size: 50*50*20mm Weight: 45g/90g/135g/180g Package includes: 1* Wifi Smart Switch