As a must-have for any room, the smart switch supports voice assistants, so you can turn on/off your lights through your voice command. And more, control home appliances from anywhere via-Apps, saving a lot of time and effort. Compared to other similar products, this smart switch has the advantages of small and compact size, so it can easily hide into your wall light switch box. It allows independent operation of traditional rocker or reset switch with no interference. It is constructed of PC material. It can be used to control dual two-way switches. 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: 90-240V AC 50/60HZ Maximum Current: 10A Working Temperature: Minus 10 Degree Celsius-45 Degree Celsius Function: Works with ZIGBEE/RF433 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 Light Switch Module 1 x User Manual