The Sensor Light is a solar powered convenience light with a built-in motion sensor. It is ideal for backyard security and walkway lighting as it turns on whenever movement is detected. With a removable solar panel on a 12 foot cord, it can also be used for lighting garden sheds, outhouses or interior rooms. Bright halogen bulb, adjustable sensitivity and run time. Since it is solar powered, it is easy for anyone to install. Security Light comes on automatically when motion is detected and stays on for up to 3 minutes or until motion ceases, lighting your way or scaring away prowlers. Detects movement up to 75' away or 120 Degrees. Solar panel charges during the day; lights up to 70 times on a single charge. Motion sensor: Passive Infrared, 120 Degree coverage, up to 75' range - adjustable on placement angle of unit. Easy to install; mounting hardware included. Comes with ultrabright 10-watt high-efficiency Halogen bulb and built-in rechargeable battery. Solar panel measures 12" x 6". Light Output Rating: 800 Candle Power Note: Light will shine bright for approx. 3 minutes or as long as their is movement. Lights up to 120 times on a single charge. Battery Life expectancy: Approx. 4 years, replacement batteries can be purchased at any local hardware store. ** This light is NOT sufficient for lighting a flag throughout the night.