Features: 1.Application: Smart switch module supports maximum current of 16A and it can be used to control the switch of most electrical appliances and lighting equipment. 2.APP Control: Wifi switch module supports for mobile phone APP remote control, support for TUYA, bringing you more convenience, realize smart home life. 3.Voice Control Function: DIY smart switch module supports smart speakers (not included) for voice control, no need to manually control the switch. 4.Timing Function: You can set the time of turning on the light in the office or your home, you can also share the switch, individual control or group control. 5.Simple Operation: Smart relay switch is small and compact, easy to install, can be placed behind the switch, and it is safe to use with ABS flame retardant material. Specification: Item Type: Smart Switch Module Material: ABS Application: Control the switch of electrical appliances and lighting equipment Control Way: RF: 433MHz, WiFi: IEEE802.11 B G N 2.4GHz Input: AC 100-240V Output: AC 100-240V Maximum Current: 16A Size: Approx. 41x41x20mm / 1.6x1.6x0.8in PackageList: 1 x Smart Switch Module 1 x Manual Note: 1. Do not place the product in an environment that is too humid and high temperature! 2. Please supply power according to the voltage used. Using other voltages may cause fire and product damage!