LED Rechargeable Cordless Table Lamp, IP54 Waterproof, Stepless Adjustable 1-100% Brightness, 3000K Dimmable Battery Operated Lamp, 4000mAh Certified Battery (White) 【Dimmable eye protection design】Built-in 18 low-blue energy-saving lamp beads as light source. Soft warm white light can protect your eyes at night, maximum brightness can reach 240 lumens. You can adjust the brightness from 1% to 100% by long-pressing the sensor on the top of table lamp to use in different scenarios. 【Stepless brightness adjustment】This table lamp supports stepless brightness adjustment function, and you can achieve a brightness level from 1% to 100% by simply pressing the touch area at the top. It also has the function of brightness memory, so there is no need to set it repeatedly. 【IP54 Waterproof】The protection level of the table lamp has reached the IP54 level. This means you can use it as an outdoor light and it will keep working even in bad weather conditions. 【Certified high capacity battery】Built-in 4000mAh lithium battery, passed UN38.3 safety test., up to 6-40 hours of battery life on a full charge. Battery powered table lamp is the first choice for emergency backup power in case of sudden power failure. 【Advanced USB-C charging port】We use a more advanced USB-C charging port, which can be plugged in both sides. Perfectly compatible with your other smart mobile device charging cables. You will no longer have to worry about not finding the original charging cable.