IP67 explosion-proof mining lamp 1.bulb: Cree 3W 2.illumination: > ... lamp is a new type of save energy and explosion-proof lamp, which is adopted the most advanced Cree 3w ... ,show timePress three time,show battery power.2.light control key instructionpress once.it is strong lightpress twice,it ... time number flashs,to press light control key and adjunct hours,to press light control key one time,the hours ...