Family Setting You can add family members in the APP and manage all the smart devices in your living room, bedroom, dining room, kitchen, study room, kids room, etc. Installation 4 Installation Methods - Method 1: Double-sided adhesive tape installation.- Method 2: Mount the smart module on wall by screws.- Method 3: Install behind a power outlet.- Method 4: Install behind the suspended ceiling. How to add a new device in Smart Life App? Specification Input Votage: 100-250VAC, 50/60HzOutput Votage: 100-250VAC, 50/60HzMax Load: 10 AmpDimensions: 48mm*47mm*23mmApp Name: Smart Life, Tuya AppVoice Control: Amazon Alexa, Google HomeWireless Protocol: Wi-Fi 2.4GHzColour: WhitePlastic Material: Fireproof ABSCertification: CE, RoHSProduced by ISO9001:2015 factory: YesPatented Product: Yes We have all the accessories you need in the box, you don't need to pay extra cost. What's in the box? 1 * Smart Module (White), the quantity depend on your option1 * Screw Kit1 * Double-Sided Tape1 * Screwdriver2 * Cables for Wiring1 * User Guide