JuviPerpric UV Meter, UV Index Meter, 280-400 nm Handheld Digital Radiometer UVA/UVB/UVI Meter, 0-5000 μW/cm² Measuring Range UV Light Detector for Reptiles

JuviPerpric Spectroscope Focusing Spectrometer Handheld,Small Adjustable Focus Spectroscope 400-700nm Range Gem Tester for Stones, Gemstone, Jewelry, Magnifier

JuviPerpric Spectroscope 55mm Spectrometer Handheld,Small Diffraction Spectroscope Gem Tester for Stones, Gemstone, Jewelry, Magnifier

JuviPerpric 13 inches Decibel Meter Wall Hanging Sound Decibel Meter, Sound Level Meter with Large LED Display Noise, Temperature, Humidity, Time Noise Monitor for Classroom

JuviPerpric Decibel Meter Digital Sound Level Meter,Sound Decibel Meter with 43,000 Data Record Function, 3-Color Alarm,MAX/MIN Function, A/C Weighted, 30-130dB Portable SPL Meter for Home, Factory

JuviPerpric Music Boxing Machine,New Smart Bluetooth Boxing Machine Wall Mounted Music with Boxing Gloves, Home Indoor Music Punching Machine for Adults and Kids