Solar panels: 6v22w,Battery parameters: 18AH,Light Source: SMD5730,Number of beads: 156,Charging time: 4-6H,Lighting duration: > 12H,Color rendering index: 80,Lamp Material: Aluminum Alloy,Waterproof grade: IP67,Lumen: 990,Working temperature: minus 25, minus 80 degrees,Lamp Head Size (mm): 258*254*90,Plate size (mm): 500*340*17,Light body color: black,Remote Controller Function: Timing 3H 5h, Automatic Light Control, Strong Switch-on and Strong Switch-off,Remote control distance: 6-15 meters