Road Flare, with battery 

LED Road Flares are a versatile safety equipment addition for police, firefighters, emergency teams, truck drivers, and very useful to any motorist in the event of a breakdown or accident. Can be placed inside a traffic cone for highly effective night warning, or use with the Esko RF-MM mount to fit to the top of a cone.
 

• 16 ultra-bright red/orange LEDs
• IP67 weatherproof housing
• Magnetic, fixes conveniently to steel surfaces (the flare is shaped so the magnet does not directly contact the surface—no risk of scratching)
• Visible for up to 1000m
• Disc is protected by rubberised fins, shock resistant, shatterproof (can even survive being driven over!)
• Fit to the top of a cone with the Esko RF-MM mount
• 9 user-selectable flashing patterns
• 1 replaceable CR123A lithium ion battery (included)
• Dimensions: 35mm H x 105mm Dia
• Weight: 204g