This lamp is new and has 2 brightness levels. Up to 8 hours of light on lowest setting. Battery level indicator, 3-1/2″ diameter lense in 2l25X and a tiny inset lens is 4X. Folds flat for traveling. Base is 6″ in diameter, arm is 11-1/2 and can be lowered or raised and the top with light and magnifier is 5″. Perfect for classes where you’re not allowed to have an electrical cord. Recharges via outlet plug included or charge it through your computer.