1、2 Types for Option: We provide you with wifi or ZigBee type, you can choose according to practical needs. A ZigBee wireless gateway is required for using this ZigBee smart switch module. 2、DIY Home Automation: Make your light switch or other home appliances smarter; easily replace your traditional switch to make your life smarter. 3、APP Remote Control: Compatible with \u0027Smart Life\u0027 APP, easy to control the smart switch module via mobile APP anytime and anywhere. 4、Hands-free Voice Control: Wirelessly control your LED lights or other home appliances through simple voice commands. Compatible with Alexa/ Home. 5、Schedule Timer \u0026 Memory: More personalized setting as on/ off/ memory, turn on/ off your smart appliances in a set time, convenient and energy-saving. 6、Share Function \u0026 Group Control: Sharing with family or friends and controlling together. It also supports group control for more convenient use. 7、2 Way Control \u0026 Independent Control: Can be connected to dual control switch, two switches control one light. Traditional switches and intelligent switches can be independently controlled without mutual interference. 8、Space-saving Design \u0026 Compatibility: Can be put in the wire box, saving installation space and making it more beautiful. Fits for both wall plug and rocker switch. Specifications: for ZigBee: for ZigBee 3.0 Color: White Material: Flame Retardant PC Output: for LED Light (Maximum 150W) Maximum Current: 16A APP Download: Compatible with for Smart Life Item Size: 42 * 42 * 20mm / 1.65 * 1.81 * 0.79in Item Weight: 34g / 1.18oz Package Size: 4.3 * 4.3 * 2.2cm / 1.69 * 1.69 * 0.87in Package Weight:  37g / 1.30oz 1 * Switch Module 1 * User Manual (English)