It is a versatile torch right for all occasions thanks to its reduced dimentions. Its 20 Watt bulb provides quality light comparable to a classic 35 Watt. The retractable stainless steel circular grip allows various fastening possibilities. The The cooling slots around the reflector disperse the heat more effectively. It comes with a Safety High Pressure Valve that protects it from any damage caused by excessive gas formation of the batteries. The NiMH battery pack has no memory effect. Quick battery charging: in only 5h and 30 min it enables some 90% autonomy; by adding another 3 hours it arrives at 100%