Feature 1CONCEALED LASER HEAD: Open the laser head immediately when turning on, and recover synchronously when turning off, convenient and practical, has a longer service life. 23 GEARS ADJUSTMENT: According to the actual test needs to adjust the luminous power, with 3 gears cycle switching, can remember the luminous power set before shutdown. 32.5MM CONNECTOR: This visual fault locator has a 2.5mm universal adapter, with good compatibility, supports SC FC ST fiber optic interface to meet different testing needs. 4EASY REPLACEMENT: The ceramic core adopts a replaceable design, effectively extending the service life of the device, making it easy to install and disassemble. 5BUILT IN BATTERY: The fiber optic detector has a built in 400mAh rechargeable lithium battery, ensuring long endurance, which is easy to use anytime, anywhere.Item Type: Visual Fault LocatorOutput Distance: 20KMWorking Current: 160mABattery Life: >5hCharging Time: 5hCharging Current: 300mACharging Voltage: 5VStatic Current: 15uAGear Output: 3 Gears AdjustmentOutput Wavelength: 650nmInterface Type: 2.5mm Universal AdapterWorking Temperature: -20-60 (no condensation)Storage Temperature: -40-85Power Type: 1 x 400mAh Rechargeable Lithium Battery (built in battery) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Visual Fault Locator1 x Ceramic Sleeve1 x Data Cable1 x User Manual