3 colors and brightness. variable 3 colors: warm white (4000K), warm (4500K), white (6000K); short press the switch to change the color. Hold the switches down for a long time and don't move to access the brightness adjustment. (brightness is continuously variable) Motion-sensor and type-c rechargeable : The projector has an infrared motion sensor, press and hold the switch for 2 seconds until the ; the projector flashes, then release your hand, you can wave with your hand to turn the projector on and off. Built-in 1800mAh battery, only a few hours of charging can bring you long-lasting lighting. Working time: 10~80 hours (depends on brightness) 270 degree : The light source of the device is LED, the light is soft and gentle on your eyes and will not disturb your partner. The projector can be rotated to 270 to find your best view Foldable and collapsible arms : The arm of the lamp is foldable; you can also bend the device into your desired shape for different applications, perfect for adult children reading, camping, fishing, dog walking and hiking. Spotlight and Torch : 1, the spotlight can meet any your different needs during the day and night. 2 The torch has 2 modes: strong light mode and strobe mode (1. Long press the switch to enter strobe mode. 2. Press the switch again to turn off strobe mode)Light Source: LED Model Number: Hanging Neck Lamp Product Size: 250*160*30mm/9*6.3*1.2in Product Material: ABS + silica gel Capacity battery power: 1800mah Projector power: maximum 2.5w High beam power: maximum 1w High beam light source: 3 colors: cold light, warm light, warm white light Duration: about 10H LED reading light