Material: Lens: PS,
 Battery Case House: high impact copolymer.
Description: Flashing on both sides or one side(the other
 side via plating surface)
 Light: 2pcsφ5mm ultra bright LED.
 Flashing frequency: 65 times/Min
 Power supply: 2pcs batteries(4R25).
 Power: 0.05W, Voltage: 6V
 7" Standard lens with advanced optics
 Visible distance:500M-1000M.
 Inside switch with photocell make the light
 dusk on and down off.
 Steady and flash model available.
 Lens color: Yellow, Red, Amber.
 Base color: yellow,blue,green orange.