ITEM NAME:Home DIY Wi-Fi Smart Light Switch Smart Life APP Wireless Remote Control Module Product Description Description: Home DIY Wi-Fi Smart Light Switch Smart Life APP Wireless Remote Control On Off Socket Module Specification: Power: ≠¤0.5W Rate Voltage: 100-250V Adapter: Without Power Adapter Control Mode: Mobile APP Transmission Mode: Wi-Fi Communication Control Distance: Infinity Controlled Lines: 1 Power: 10A/2200W Platform: for Android, iOS Working Temperature: 0-60 °C Packing Size: 100 X 50 X 30mm/3.94 X 1.97 X 1.18" Product Size: 90 X 45 X 25mm/3.54 X 1.77 X 0.98" Gross Weight: 60g Net Weight: 56g To install Sonoff: 1. Switch off electricity source. 2. Open the two yellow shells at both ends. 3. Connect the two electricity source cables(Live and Neutral) to the 2 ports with "IN"mark, one cable for one port, and there's no limitation for which port to connect. 4. Connect the two appliance cables(Live and Neutral) to the 2 ports with "OUT" mark, one cable for one port, and there's no limitation for which port to connect. 5. Cover the shells and screw firmly. Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Wi-Fi Smart Light Switch 4 X Screws 1 X Manual.Connect the two appliance cables(Live and Neutral) to the 2 ports with "OUT" mark, one cable for one port, and there's no limitation for which port to connect. Connect the two electricity source cables(Live and Neutral) to the 2 ports with "IN"mark, one cable for one port, and there's no limitation for which port to connect.