Description: Red light emitting unit uses 650nm semiconductor laser to emit red light, stable, with optical interface connected to multi-mode and single-mode optical fiber, optical fiber fault detection function. Optical Engineering Design, Network Maintenance, Fiber Optic Components Essential Production and Research Tools. Features: - Brand new and high quality - MQW LD optical source - Operation mode: CW and GLINT - Suitable for FC, SC, ST, LC general interface - Long inspection distance - Stable output effect - Durable and sustainable housing - Planet pattern design, comfortable to use and carry Functions: - Locate fiber faults such as breaks and bends - Fault inspection in OTDR blind zone - Fiber identification from end to end - Mechanical transition point optimization Applications: - Telecommunications, CATV projects - PDS construction and maintenance - Optical component manufacturing and research - Other fiber projects Specifications: Model: HT-1 Casing Material: Aluminum Alloy Color: Black Size: (Approximately) Top Diameter: 2.5 cm/0.98 in Bottom Diameter: 2 cm/0.79 in Height: 17.5 cm/6.89 in Cable Length: 12 cm/4.72 in Storage Case: 19×4cm/7.48×1.57in Wavelength: 650nm ± 10nm Output Power: Over 1mw Dynamic Range: 1-5km Optical Fiber Adapter: 2.5 mm Universal Contact Power Supply: 2* 1.5V AA (not included) Battery Life: Over 42h Operating Temperature: 0℃ ～ +60℃ Storage Temperature: -20℃ ～ +70℃ Quantity: 1 Set Note: 1. Conversion: 1cm=10mm=0.39inch 2. Please allow 0-1cm error due to manual measurement. Ensure you have no objections before placing an order. 3. Due to differences in screen displays, the color may not accurately reflect the actual product color. Thank you! Package Includes: 1 X 1mW Visual Fault Locator 1 X Visual Fault Locator Storage Case 1 X Cable