Plastimo headlight with 4 modes. Keep press 2 seconds to reach red light mode. Pivoting head and adjustable head band.Dimensions : 60 x 40 x 45 mmWaterproofness : IPX4Weight : 57 g (sans pile)Batteries 3 x AAA (included) Model Light modes Lumen (ANSI) Beam distance Run time F4 headlight High Eco 170 Lumens 80 Lumens  100 m 50 m  2h 5h