LED Lenser SEO 3 LED Headlamp. The SEO 3 is the ideal lamp for use "ON-Tour" and "ON-Stage"., Specifications: LED Configuration: 3 x LED 1 x High End High End LED (red), luminous flux: 90 lumens, max. Lighting range: 40 m, max. Burn time: 40 hours Power supply: 3 x AAA batteries 1.5, Energy Tank: 4.05 Wh, head diameter: 27 mm, weight (without packaging) 96 g, color: green, delivery: User Manual, carbines, washable, headband