The WIFI switch module is designed to transform your traditional switch in a WIFI smart one. Enjoy your smart life of home automation for lighting control by using our all-in-one mobile app wherever you are in the world or simply by voice control when you are sitting at home comfortably.Features: [Make Your Home Automation] Control devices via smart phone & traditional switch. [2 Way Switch] Can use as 2 way switch, 2 switches control 1 same lamp. [Wide Compatibility] Voice control compatible with android & iOS, Google Home & Amazon Alexa. [Hands-free] Use simple voice commands to control the light when your hands are full. [Multifunction] Global international operation whenever & wherever you are, all-in-one mobile APP: push switch, schedule timer, device sharing. [Convenient&Smart APP] Both the adjustment on App and switch can overwrite each other, the last adjustment remains in memory. The App control is synchronized with the manual switch. [Compact Size] Its mini body can be hidden in the wire box to save installation space, better visual appearance.Note: *Please read user manual carefully before use. *Installation must be carried out by a qualified electrician in accordance with local regulations. *Keep the device out of reach of children. *Keep the device away from water, damp or hot environment. *Install the device away from strong signal sources such as microwave oven that may cause signal interruption resulted to abnormal operation of the device. *Obstruction by concrete wall or metallic materials may reduce the effective operation range of the device and should be avoided. *DO NOT attempt to disassemble, repair or modify the device.Specifications: Model: EW-WiFi-501 Color: White Material: Plastic Pack: 1pc / 2pcs / 3pcs / 4pcs (Optional) Voltage: AC 90V~264V, 50/60Hz Max. Load: 2500W / 250W(220V) for LED WiFi: 2.4GHz - 2.4835GHz, 802.11 b/g/n Item Size: 5.2*4.8*1.8cm / 2.04*1.88*0.7in Package Size: 5.5*5*2.3cm / 2.16*1.96*0.9in Item Weight: 46g / 1.62oz Package Weight: 52g / 1.83ozPackage List: 1 * Smart Switch