Features: 1. Charging indicator: the red indicator lights up when charging, and goes out when it is fully charged. 2. Switch mode: ① Monochrome model: ATUO: automatic induction OFF: open/close ON: always bright ② Yellow: yellow light induction OFF: on/off White: white light induction 3. AUTO fashion (human body sensing): In a dark environment, when the sensor detects that someone is moving within the range of 0~4m and the angle is 120 °, the light will light up automatically and turn off automatically 20 seconds after the sensor cannot detect human activity. 4. Installation and fixation: Tear off the white protective film on the iron sheet, and then stick the iron sheet horizontally to the place you want to install. (The surface of the installation place should be smooth and clean, otherwise it is easy to fall off.) Then, the black magnet on the lamp body should be attracted to the iron sheet to complete the installation. Specification: Material:ABS + PP Productssize: 78mm * 78mm * 17mm weight:85g Powerinput:5V/0.5A Chargingtime:3hours Maximumpower:0.75W Workingtime:6hours Batterycapacity:500mAh Color temperature:whitelight5600K/warmlight3000K Packageincludes 1/2/4*Smallnightlight 1*USBchargingcable 1*Instructions Note:Both 2-piece and 4-piece packages only come with one charging cable and one instruction manual Tip: When installing, thesor heads houldfacthe humanactivityarea,and theres houldbeno shelter infront of theses sorheadto avoid affecting theses sing function. Sensors need to be in a dark environment to function, so when testing the sensing function, please ensure it is done in a dark environment! The best ambient temperature is around 25 ℃, the sensing distance is 4 meters, and the angle is 120° !