this solar flashlight is an ideal product for living and traveling. 1)Novelty design. This product uses built-in Ni-Mh rechargeable battery as power source. It absorbs solar energy as power, which will be stored in inside battery. It's no need to change batteries within 3 years,It is economical and environment-friendly. 2) Beautiful-looking. Exquisite selection of plastic materials as the structural materials, surface drying profile, it's with good quality and light weight. Particularly, the lamp Holder has 180-degree rotation to meet the needs of different use conditions.