Input voltage (V): DC 4.5V Dimmer supported: Yes Lighting solution services: lighting and circuit design Service life (hours): 50000 Working time (hours): 50000 Product weight (kg): 0.14 Application: Emergency Power supply: dry battery Lighting period (hours): >12 IP rating: IP68 Lamp body material: aluminum + ABS + rubber Color: Yellow Light source: LED Product Name: Diving headlamp Material: aluminum + ABS + rubber Weight: 140 grams Battery: 3xAAA or 1*18650 (not included) Size: 90*8.5*35mm Width: 25 Working time: > 12 hours LED life: 100000 hours