Differ in features from traditional common switch, this smart switch can be controlled by many ways alone, such as App control and voice control. This product offers you a great aid in controlling your light, fans and other devices anytime, anywhere. Unlike other similar products, this wall light breaker has the advantages of small and compact size, so it can easily hide into your wall light switch box. And more, your traditional switch and this smart module can work independently in a non-interfering mode. It is constructed of PC material. The length of this product is 5.2cm, width is 1.8cm and height is 4.7cm. This product is perfectly suitable for home, household, dorm, bedroom, living room, etc. Item Name: Light Switch Module Material: PC Input Voltage : 90V~250V Wiring: Live Wire/Neutral Wire Max. Load Power: 150W(LED) Wi-Fi Standard : 2.4GHz 802.11 b/g/n Work Life : 100,000 Operating Times 2 Gang Input Voltage: 90V~250V AC 50Hz/60Hz Max. Load Power: 2 x 100W Wi-Fi Frequency: 2.4GHz-2.4835GHz Operation Range: Less than or Equal to 200m Temp: Tc: +80 Degree Celsius (Max.) Size Details: 5.2cm x 1.8cm x 4.7cm/2.05" x 0.71" x 1.85" (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. Package Includes: 1 x Mini Smart Breaker 1 x User Manual