【High Brightness LED】 This headlight uses a 1W LED, providing approximately 20 times the brightness. It is ideal for working in dark places or for outdoor activities. 【Long Usage Time】 It can be used for approximately 15 hours, allowing for worry-free use even during long work sessions. AAA batteries are included. 【Adjustable Strap】 The head strap is adjustable for a comfortable fit. It accommodates various head sizes and remains stable even during movement. - Model Number: HL-508 - LED Type: 1W LED - Brightness: Approx. 20x - Usage Time: Approx. 15 hours - Battery Type: AAA batteries (included) - Color Temperature: White light - Strap: Adjustable head strap Operation confirmed. It is quite bright. The package has some dirt, but the main unit is clean.