Touch Switch & Dimmable This wireless table lamp with minimalist design is solidified by its practicality: Just touch the button on the base of the table lamps to turn on/off the(2-levels of brightness for you choose).You can adjust the intensity of the light as desired by long pressing the switch. CRI (color rendering index)>80,light color temperature 3000K. Portable Cordless Table Lamp This table lamp with no wire is only 0.77lb (Dia.4.13in*H11.8in) and taking up little space, making it easy to be hold and ideal for any environment.The table lamp with USB can be charged with universal USB adapter or any USB ports including laptops,computer,power banks,wall outlets,or power strips.You can put the table lamp where its needed, even where there's no outlet. Minimalist Design This rechargeable table lamp is designed in a painted aluminum body,polycarbonate diffuser and LED light source.This table lamp is touch-dimming and IP54 rated,making it suitable for both indoor and outdoor use.Own US Patent Certificate. Waterproof This table lamp is IP54 rated and the aluminum body can effectively blocks water enter the lamp body, even if it is used outdoors, it is not afraid of being wet by the rain.Especially suitable for outdoor events: wedding,camping,picnics,bars,restaurants and etc. Wide Application You can use the table lamp at home, in the office, in the garden, on the terrace, on the balcony or in restaurants and lodgings all year round. Take them outside to light up a dinner party or to read under the stars. There are no limits to your imagination