... and Compact designDesign: adjustable strap is provided for each head lamp, with back and inclinationPerformance: Water-resistant and shockproof, low ... : high intensity ultra bright LEDsMain materials: ABS , AS, adjustable head strapColor available: silver, black, red, etcWeight: 80gDimensions: 100x65x50mm Battery ... 5x48.5X47.5cmQTY: 100pcsDelivery day: 20-30daysMOQ: 1000pcs ajustable led head lamp