Xingyheng 10Pcs Tcrt5000 Infrared Reflective Ir Photoelectric Sensor Switch Product Details Sensor performance and features: Product introduction: Function introduction: Package Included: Super material: It is made of high-quality electronic accessories element material, and is treated with nickel-plated surface, which has superior performance against oxidation, electrical conductivity and life, inner conductor is pure copper. it is long lasting and convenient for you to use. Package including: 10 pack of track sensor module. It will meet what you requirement. With fixed bolt holes for easy installation. Sensor specification: Working voltage 3.3V-5V. With a wide voltage LM393 comparatorith. Output format: digital switching output (0 and 1). TCRT5000 infrared reflection sensor is adopted, detection reflection distance: 1mm~25mm applicable High Power High Efficiency: Comparator output, signal clean, good waveform, strong driving capacity, more than 15mA. With multi - turn adjustable precision potentiometer to adjust the sensitivity. Convenient for install and fixed. Small size, low power consumption, fast response. High reliability, strong vibration resistance, good electromechanical performance, long signal transmission distance. A wide range of applications:The module provides economical and accurate solutions for ac or dc sensing in industrial, commercial and communication systems. Used for various vibration triggering functions, reporting burglary alarms, smart cars, earthquake alarms, motorcycle alarms, etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.