This rechargeable hand lamp dimmable from Acculux (Acculux Unilux) 1x batt Li-ion incl 270Lm 1000m and is made of high-quality material. This lamp is compact and strong and fits well in the hand. Acculux set the benchmark for environmentally-friendly lighting back in 1955 by developing the world's first rechargeable lamp. It was the first company to launch a rechargeable LED torch. Many professionals rely on this German global leader's quality.