Xiaomi Mijia Smart Light Switch Mijia App Remote Voice Control Light Switch Work with BT Mesh Gateway Device No Need to Rewire White Features: Convenient installation: No need to rewire, it can directly replace the traditional switch at home, making old-fashioned lamps smart in an instant, and the installation is quick and convenient. Intelligent voice control: Used in conjunction with devices equipped with Xiao Ai's voice control function, it can support intelligent voice control, realizing the convenience of turning off the lights without using hands. Remote control: Used in conjunction with devices with Bluetooth Mesh gateway function, you can check the light status at home anytime, anywhere, support remote control of lights on/off, and can also set automatic on/off lights. Intelligent device linkage: It can be linked with other smart devices at home to realize smart home life. Strong durability: It has passed professional durability tests and can withstand 80,000 repeated presses, which is durable and reliable in quality. High safety: The body shell is made of V-0 grade fireproof material, which is flame retardant and high temperature resistant, and can easily cope with abnormal situations encountered during use. Specification: Optional Gang: One Gang / Two Gang / Three Gang Rated input: 220V~50Hz Wireless connection: BLE Mesh Rated Load: ≤200W Load type: energy-saving lamps / LED lamps / fluorescent lamps / LED lamps Minimum support: 3W energy-saving lamps / 5W LED lamps / 16W fluorescent lamps Protection grade: P30 Working temperature: -10℃~40℃ Mounting box back size: 58×58×22.8mm Package size:  70*70*42mm Package weight:  150g Package list:  1* Xiaomi Mijia Smart Switch 2* Screws 1* Instruction manual