Product basic info Primary colours: Black Additional colours: Red Depth unit: 5.8 cm Height unit: 5 cm Width unit: 7 cm Weight unit: 73 g Material: ABS Additional material: Nylon Physical properties Number of LEDs: 1 Adjustable headband: Yes Inclination adjustable: Yes On off by waving: No Technical data Weatherproof: Yes Dimmable: No Luminous flux: 90 lm Colour of LEDs: White Power supply Batteries included: No Number of batteries: 3 Battery voltage rating: 4.5 V Rechargeable: No Battery composition: Alkaline Battery IEC size: AAA (LR03, R03, FR03, HR03, KR03, ZR03 ,24A, 24D, 24LF, UM4, Micro, MN2400, MX2400, MV2400) (EN)