High quality Energy Saving Auto Switch Controlled by Light and Sound. Saving energy design suitable for hallways, staircases and porches. It will control the light intelligent. Ideal light switch for your home or warehouse. # Please note: This Energy Saving Switch is only suitable for use with ordinary incandescent and tungsten lighting, and is not suitable for use with energy saving, low voltage, halogen or fluorescent lighting. If in any doubt, please consult a qualified electrician
