Model Number: UV-90 Key Specifications/Special Features: Features:Automobile air condition fluid leaking Works great with invisible ink UV reactive markerWrite secret messages that can only be seen in UV lightApplications: bugs/insect detection, minerals hunting, scanning crime scene, checking currency or ID, examining artwork or glasswork for hidden repairs, locating damaged or cracked glassware and detecting scorpionsSpecifications:Battery: 3 x AAA Alkaline (Not Included)Bulb type: UV LEDWavelength: 395 to 400nmBulb lifespan: 100,000 hoursBattery lifespan: 40 hoursSwitch type: press on or off from rear capBody material: aluminum with "O" rings for water-resistantDurableLength: 93mmHead diameter: 29mmWeight: 60g Main Export Markets: Central/South AmericaMid East/AfricaNorth America