Description: With the app, voice control and members sharing functions, it is possible to meet the power of most electrical appliances. Having the remote control mode, it will be possible to connect to the network faster. With the multifunctional feature, it is very reliable and practical to use. Having the simple and convenient operation, it will not waste your time and energy. It is constructed of tempered glass material. The length of the product is 9cm, the width is 9cm, the height is 4cm. It is suitable for home, office, bedroom, household and so on. Item Name: Smart Switch Material: Tempered Glass Features: Easy to Use, Dual Control, Simple Installation Style: 1 Open, 2 Open, 3 Open, 4 Open Single Fire + Zero Fire Wi-Fi + 433MHZ Relay Touch Wall Switch Working Frequency: 433MHZ Voltage: AC 100V-240V 60HZ/50HZ, 3-500W/Gang, 500W/total Maximum Current: 5A Wire: Fire Wire, Zero Fire Wire Dual Use App: smart life Size Details: 9cm x 9cm x 4cm/3.54" x 3.54" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Reminder: Does not include extra remote control, remote control needs to be purchased additionally. Package Includes: 1 x Smart Switch 1 x User Manual