About Product:Features: This is a very versatile multi-purpose portable sensor lights, high flexibility, energy saving, green, easy to install. Human body sensor function: When the human body into the induction sensor within the sensor range, the sensor lights automatically lit, delay about 25 seconds after the automatic extinguishment. Light sensor function: When the surrounding environment reaches a certain brightness, the sensor will automatically turn off the sensor function, then someone into the sensor range will no longer light, this feature can be effective energy (night induction, daytime induction).