3-in-1 indoor and outdoor portable lamp is a perfect combination. The unit can be charged by a USB cable connected to a computer or a power bank. It is very convenient and easy to recharge in 3 hours. It has four modes that can be used between environment control, dim light, regular light, and flashlight. The soft silicon dome shade is safe and is designed to protect the light source. Waterproof and lightweight compact design makes this device easy, portable, and ideal for indoor and outdoor use anywhere with a hanging hook or on flat surface.