A brief DF-4 intense series of portable high-intensity work lights are imported materials. A combination of batteries and high quality bulbs, which is extensively used in marine vessels, public security and fire-border armed police, civil airports, the electricity sector, liquefied petroleum gas stations, refineries and other flammable place inspections and maintenance of emergency lights and backup tools. Second, the characteristics of one. High reliability; Coat products using imported high-strength composite materials. products which are linking with the Department of Special Purpose adhesive closure, and lamps in use would not inadvertently fall. collisions or damage to the bright, product life of three years. 2. Economic, practical and convenient. Italy lamps use a secret high-energy batteries, number of cycles up to 1000%. self-discharge minimal, since less than the rated capacity 3%/ alone, the use of lamps remain available for six months. Equipped with photoelectric light bulb strength beads Autofocus. Service life of up to 450 hours. Portable lamps, Jiankua waist carry on the arm function. Lamp Holder can make adjustments very convenient to use. Second, the main technical indicators batteries : -- The 120-strong light 4Ah 6V 2.5A 0.5A low light optical {Im} effective as from 40 optical {Im} 140 meters, the longest continuous eight-hour working four. i use and attention. Maintenance inspections or use portable lamps, HEC sets wore belts or destroyed as lumbar lighting tool can be used to bring Jiankua manner. Ii. Switching to a 360-degree adjustable lamp arbitrary-strength, Lamp Holder can make adjustments. Iii. DC6V charge voltage power supply for full power at any time after six months. PRC : 1, could not be demolished or flashing lights, so as not to affect the performance of explosion. Recharging or replacing light bulbs in places not flammable. 2, charging promptly after each use, regular maintenance to extend battery life.