Brightness Adjustable & 3 Modes Options:This light can switch light modes freely to meet your different light demand.Turn the switch to ON key come into constant light mode, the light enters a constant light and 5-level dimming button can select the appropriate brightness. Switch tokey come into Induction mode. the light can induction dark andto brighten even though in a dark night. The last mode that Press the dimming button for 3 seconds to come into the SOS flashing mode. .Highly Functional Design: A non-slip base for every surface & super-compact dimensions make the light an ideal travel companion. .Low Power Consumption & Long Lasting Time: With built-in 2000mAh rechargeable batteries. It can work for about 100 hours in constant mode of lowest brightness level. No need to buy many batteries, only need to charge with a USB cable to enjoy long-term lighting. .Easy to Carry: The nightlight is perfect for hallway, bathroom, bedroom, kitchen, living room, nursery, kids room or anywhere you need some extra light