1、*Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. 2、*Supports status tracking: device status timely provided to the Tuya / Smart life. 3、*Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, access control, etc. 4、*Supports single/repeat/countdown timing tasks to turn on/off at a specified time. 5、*Voice Control: Compatible with \"Amazon\" Alexa, for Home. 6、*RF Function: Supports controlled by 433MHz RF Remote Controller. 7、*Built-in BT module for fast connection. Features: *Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. *Supports status tracking: device status timely provided to the Tuya / Smart life. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, access control, etc. *Supports single/repeat/countdown timing tasks to turn on/off at a specified time. *Voice Control: Compatible with "Amazon" Alexa, for Home. *RF Function: Supports controlled by 433MHz RF Remote Controller. (Not Included) *Built-in BT module for fast connection. Specifications: Operating voltage: 5V Micro USB / 7-32V DC Two input interfaces USB port power supply more convenient Output:  10A Max Total Load: 2200W Board consumption: <1W Standby current: 80mA Relay lifespan: ≥1000000 times Electrical insulation resistance: 100M Electric shock voltage: 1000V Relay maximum pull time: 15ms Relay maximum release time: 5ms RF Frequency: 433MHz Working mode: Inching /self-locking Wireless Standard: 2.4GHz, 802.11 b/g/n + BT Mobile App: Tuya / Smart life on Android/IOS Applicable occasions: smart home. Wifi control Controlled lines: 1 Operating temperature: -20 degrees to +70 degrees Operating Humidity 40%-80% RH Item Size: 73 * 42 * 18mm / 2.9 * 1.7 * 0.7in Package Information: Package Size: Approx. 12 * 9  * 3cm / 4.7*3.5*1.2in Package Weight: Approx. 30g / 1.5oz Packing List: 1 * Wireless Switch Module 1 * Wireless Switch Module