1. Material:aluminum alloy ,LED 2. Lumens:600LM 3. Power: 10W/Voltage: 3.7V 4. Size:64.5*46*31.5mm , 73g 5. Function: Dual switch control 6.Battery:Polymer lithium battery (400mA ) 7. Protection level: IP54, 1-meter water depth test. 8. Anti drop height: 1.5 meters