eSenlite EE102WLS is an add-on product that makes normal light into smart sensing, energy saving light. EE102WLS adds on new and existing indoor/outdoor light fixture with standard E26/E27. It is an invisible, high-frequency radar sensor, capable of penetrating non-metallic such as walls, glass, wood, plastics materials as well as some metallic-screen ones. It detects movement behind obstructions and activate light socket, making your lamp/fixture “SMART;” illuminating dark areas before you enter and are worry free from leaving them “ON” all night long. It helps to save energy consumption up to 98% without the need to replace existing fixture. Also, increase life span by 2 to 3 times. “SMART-MOONLIGHT” mode (default set) is highly recommended and designed for security and safety purposes while utilizing low power consumption. Assuring designed light areas are covered thru safety motion sensing functionality with adjustable illumination time and range. An internal photocell sensor will automatically activate EE102WLS on indoor/outdoor dark condition or at night. EE102WLS is “second generation product” of “EE101WLS” narrow body design which allows it to fit with most indoor light fixtures, with a maximum range of 15 feet. EE102WLS is built selectable with traditional sensing auto function as a little “Night Light” lamp for bedroom/bathroom etc. eSenlite EE102WLS is invented, designed, created, and quality-controlled in USA and offer 2 years limited warranty.