Feature: 1. EASY TO USE: This visual fault locator adopting a new ergonomic design; Adopting a rotary automatic lifting switch function. 2. MULTIPLE CHARGING METHODS: Support multiple power supply methods such as power bank, computer, adapter, and lithium battery. 3. SUPPORT LIGHTING FUNCTION: Convenient for line inspection and construction in dark environments such as outdoors, computer rooms, and at night. 4. APPLICABLE SCENARIO: VFL can achieve fiber optic fault detection function and is an indispensable tool in fiber optic engineering construction, fiber optic network maintenance, fiber optic device production and research, and other aspects. 5. ALUMINUM ALLOY MATERIAL: Made of premium aluminum alloy material, the fault locator has a comfortable feel, and is light in weight, possesses fast heat dissipation, providing better use experience. Specification: Item Type: Visual Fault Locator Material: Aluminum Alloy Output Distance: Approx. 30000m / 98425.2ft Working Current: Less than or equal to 170mA Range Time: Greater than or equal to 11H Charging Duration: Less than 5h Output Wavelength: 650nm Interface Type: 2.5mm universal adapter Power Type: 18650 lithium battery 1800mAh x 1 [shipped with built in battery] Charging Current: 600mA Charging Voltage: 5V Working Temperature: -20 ℃ to +60 ℃ (without condensation) Storage Temperature: -40 ℃ to +85 ℃. Package List: 1 x Visual Fault Locator 1 x USB Cable 1 x Portable Rope 1 x Ceramic Tube