The Sonashi Rechargeable LED Torch - 3Pcs Combo - SLT-2411Z features AEROSPACE GRADE ALUMINUM BODY and ZOOM FUNCTION ON-HIGH-MEDIUM-LOW-STROBE-SOS-OFF. Additional highlights include CORROSION RESISTANT/WATER RESISTANT/SHOCK RESISTANT 130,000 HOURS LIFE FOR LED BULB, 8000mAh LITHIUM RECHARGEABLE BATTERY, HYPER BRIGHT 20-WATT LASER LED.