MAY133 Plastic Optical Fiber Optical Light Source Description: MAY133 Plastic Optical Fiber Optical Light Source can emit 650nm laser. Feature: Powerful light source, light and compact Long-lasting battery life Durable and wear-resistant Applications: Telecommunications, CATV engineering and maintenance Integrated wiring construction and maintenance Optical device production and research Optical cable testing in the communications industry Specification Wavelength 650nm±10nm Power Output 10mW Optical Connector universal connector for standard 3.8mm connector systems Power 2pcs AA alkaline batteries (>15 hours battery life) Pulse Frequency 2 to 3 HZ Operating Temperature -10~+45℃ Storage Temperature -40~+70℃ Dimension 180*15mm Weight approx. 120g (excluding batteries)