This is a practically new item, used only once after purchase. A spare, unused battery is also included, making it a set of two. The included belt, rubber band, and charger are unused. There are only two clips. Instant Off Switch: After the light is on, pressing the switch after a certain amount of time will turn it off with a single operation, regardless of the mode. Focus Control: The bezel can be rotated to adjust the beam infinitely from spot to wide. Rear Recognition Light: Ensures visibility from behind by lighting or flashing. Mega Tough Cord: Passes over 75,000 bend tests. Uses a cord that is difficult to break. Switch Lock Function (Rear Recognition Light only): To prevent accidental activation, holding down the switch when the light is off disables the switch. Charging Indicator: Indicates the charging status while charging. The start of the lighting mode can be switched to High mode or Eco mode with the lighting order switching function. 60° Movable Head Light Source Used: High-intensity chip-type white LED x 1 Brightness (approx.): 1500 lumens (Max mode) / 800 lumens (High mode) / 280 lumens (Mid mode) / 60 lumens (Eco mode) Luminous Intensity (approx.): 16267 candela (Max mode) / 8285 candela (High mode) / 3097 candela (Mid mode) / 624 candela (Eco mode) Battery Life: Approximately 300 charge/discharge cycles Operating Time (approx.): [Head Unit] 8.5 hours (Max mode) / 13 hours (High mode) / 20 hours (Mid mode) / 96 hours (Eco mode), [Rear Recognition Light] 560 hours (on) / 560 hours (flashing) Beam Characteristics: Focus Control Beam Distance (approx.): 255m (maximum) Protection Level: Dustproof and Waterproof (IP66 compliant) Drop Durability: 2m drop durability Body Size (approx.): [Head Unit] W65.0 x H60.5 x D62.0mm, [Battery Box Unit] W105.8 x H70.1 x D43.3mm Body Weight (approx.): 371g (including batteries) Accessories: Non-slip headband, silicone band (buckle x 4), helmet holder x 4, USB Type-C cable (50cm), dedicated AC adapter (5V / 2A), dedicated rechargeable battery