- Epochglo DJ0001-W wireless window contact switch, ideal for controlling range hoods and ventilation systems - Activates the ventilation system only when the window is open, helping to reduce energy consumption - Tool-free and drill-free installation, thanks to adhesive mounting, making it easy to install on any window frame or range hood - Easy to use: no wifi, apps, or setup required, just place the transmitter and receiver for instant operation - Multipurpose: suitable for range hoods, garage lights, or fans, perfect for kitchen, workshop, or basement - Compact design, white color, model DJ0001-W, with radio control for greater convenience and safety