How to Use: 1. 3 modes are available (constant light, off, auto): ON: Light on OFF: Light off AUTO: In a dark environment, human activity is detected within the sensing range, The sensor light will automatically light up, and it will automatically go out after a person leaves or stops moving for 25 seconds (±5 seconds).2. In a dark environment, the night light is equipped with a human body sensor to detect human activity within the sensing range and trigger the night light to light up. The sensing range is the 120° fan area expanded from the center of the night light sensor, and the distance is about 3 m / 9.8ft. The sensing effect is related to the ambient temperature, body size, and movement speed. 3. USB charging, can be used with laptops, mobile power supplies, mobile phone charging heads. Specification: Item Type: Night Light Material: ABS+Silicone Size: Approx. 106x75x125mm / 4.2x3x4.9in Weight: Approx. 202g / 7.1oz Voltage: 5V Battery: Built in a 18650 lithium battery 1200mAh (included) Charging Instruction: Red light (charging), off (full) Charging Time: About 3.5h Package List: 1 x Night Light 1 x Manual 1 x USB Cable