Description: 【Versatile Functionality】: This compact device offers multiple functions including fluorescence detection, currency verification, and a flashlight feature. It's suitable for various applications such as detecting stains in hotels and homes, and identifying bedbugs 【Material】: This Handheld Fluorescence Testor Pen is made from abs, ensuring both lightweight and sturdy, Its waterproof design ensures reliable performance in different environments 【LED Display Screen】: Note Checker with an LED display screen, provides clear readings for accurate detection results, enhancing user convenience 【Ideal for Outdoor Activities】: Whether you're camping, hiking, fishing, backpacking or just enjoying your backyard, this Pocket Flashlight is an essential companion for all your outdoor adventures 【Package】: The package includes a fluorescence detection pen that meets all your needs for a reliable and efficient detection experience across various scenariosway Specification: Material: ABS Power Supply: 3W Battery: 400mah Charging Time: 1H Input: DC5V1A Working Time: 90min Size Chart: 10.8cmx2cmx2cm/4.25inchx0.79inchx0.79inch Package Includes: 1 Fluorescence Tester 1 USB Cable Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.