Product features:Power supply: built-in lithium battery, USB power supply, rechargeable and fully charged for about 3 hoursDual sensing mode: photosensitivity + human body dual sensorTwo lighting modes: constant light + sensing, two brightness levels: high brightness + dim brightnessLED light color temperature 4000K, warm lightWorking time: strong light constant light can work for about 20 hours, low light constant light can work for about 300 hours, automatic mode (high brightness 10 times a day): can work for about 30 daysThree fixing methods: bracket, hanging, magnetic suctionAccessories: bracket + 3M glue strong magnet + operating instructions; 180 days of long-lasting battery life built-in 600 mAh lithium batteryProduct attributes: Product size: 79*79*33mmNote: The data are all manually measured, please allow 1-3cm error; due to differences in light and display, there may be some color difference, please refer to the actual product received.