The Frog Strobe twinpacks feature front and rear safety lights that offer four modes and can be mounted almost anywhere.A water-resistant, flexible silicon body with integrated clip fits around any shape and anything you can conceive; as long that anything is 19-32mm in diameterA water-resistant, flexible silicon body with integrated clip fits around any shape and anything you can conceive; as long that anything is 19-32mm in diameterSingle high powered LED strobe system with lens50 hours of burn time steady, 80 hours flashingSingle high powered LED strobe system with lensUses 2 CR2032 batteries, includedFour modes; constant on, strobe, disco inferno strobe (fast), epeleptic fit strobe (random)50 hours of burn time steady, 80 hours flashingA scant 19 grams with batteriesUses 2 CR2032 batteries, includedFour modes; constant on, strobe, disco inferno strobe (fast), epeleptic fit strobe (random)A scant 19 grams with batteriesItem SpecificationsWeight19gBattery2x CR2032BulbLEDRun Time80 Hours