Parameters: Input voltage: AC 85V-250V /USB 5VMax.Current: 2000W/10A/gangMax.load:3500W/164/40angWireless:Wi-Fi 2,4ghz b/g/n+BluetoothFrequency radio:433MhzWorking temperature: - 20°C-70°CSize: 81*76*28mmChecklist before using the device Your smart phone or tablet has connected to a 2.4g WiFi with internet.You need to enable Bluetooth of the phoneYou have the correct Wii PWD.You smart phone or tablet must have access to APP store Google playYour router is MAC-openUser Guide You can download the App by searching "Tuya Smart" in mobile app stores or scanning the QR code on the manual.Register an Tuya Smart account.If you have Tuya Smart account. just login.Add devices Reset the device first:if the network indicator(red light) blinking fast ,skip the reset step.if not , Power on , hold down the Reset button for 5 seconds. until indicator blinking fast .Clicking + in the top right corner on tuya smart app.then click "Auto Scan", wait a few seconds, After the devices are found,Click "Next"Select 2.4GHz Wi-Fi network and enter your password.Name your devicewhen the network is disconnected , the switch will automatically switch to the bluetooth control of the phone Click the on/off buttons on the APP can control device , Manual control swyitch also can be display real-time on the APPRemote control matches the code Matching ,click setting , RF remote control setup , Add.When the prompt interface pops up then long press the remote control button you want to matchloosen the remote control buttons, matching successAdded successfully, assign the remote control buttons to the switches that need to be controlledmatch other buttons, repeat steps