Name: LED night light Switch: Touch switch Light color: white, warm white, natural light Adjust brightness: yes Size: about 120 * 40 * 20mm (length * width * height) Number of LED beads: 18leds Rated voltage: 5V Battery capacity: 1200 mAh Power supply mode: USB charging / USB power supply Charging time: about 5-20H How to use: Touch the switch, long press to adjust the brightness, short press to switch the light color.Model A: It can be used after plugging in the power source. The light color is only white. Model B: With battery, it can be used after storing electricity, The light color is only white. Can be stepless dimming. Model C: With battery, it can be used after storing electricity. 3 kinds of light colors. Can be stepless dimming. Model D: with battery, it can be used after storing electricity. 3 kinds of light colors. Can be stepless dimming. With remote control.