1) High- brightness light travels further at night , two hundred meters away from the visible 2) Can work continuously for 36 hours 3) Light, high strength, able to adapt to the harsh environment 4) Strong Magnetic Base 5) Suitable for warning/ambulance/police bike 6) Power: 2 x D battery (not include) 7) Size: 95x95x140mm 8) Weight: 238g

http://olla.gr/6-led-flash-strobe-warning-light-for-auto-car-with-strong-magnetic-base-yellow-black/