Nine built-in high-brightness LED.
Strong magnet - just placeit on your car.
Strong emission that can be viewed from the night 200m(218.72 yd) away .
Continuous flashing About 20 hours
AAA manganese battery included
( For operation check )
Body / ABS
Lens / acrylic
Included Seal / paper
W38mm x D20mm x H160mm
W1.49in x D 0.78in x 6.23in