GOSTAR 3 Pack LED Road Flares Flashing Magnetic Base Warning Light Roadside Flare Emergency Lights Beacon Disc for Car or Marine Boat

Specifications Size: 10cm (3.95") diameter x 3.5cm (1.37")tall Weight: 170g (6oz) with batteriesBattery type:3pcs AAA alkaline batteries for each flare (included)Battery life: up to 36 hours of run time Shelf life: 10 years EmissionSource:15pcs of 360 degree LED array; solid-state, no filament MagneticBase: sticks to your vehicle Shock, vibration, and water resistanceBuoyancy: positive (floats)Operating temperature: -40 to 100 °C (-40 to 212°F)Flash Modes (User-Selectable)Rotate: 8 hoursQuad flashes: 23 hoursSingle blink: 12 hoursAlternating blinks: 4 hoursSOS rescue (Morse code): 8 hoursSteady on-high: 7 hoursSteady on-low: 33 hours4 LED Flashlights: 10 hoursTop LED Flashlight: 10 hours