GOLDCHAMP Digital Light Meter, Spectrometer PAR Meter High-Precision (0-1,000,000 Lux), Measures Lux/CCT/CRI/UV/Spectral Curve for Plants, Greenhouse, Photography 400-700nm

2000pF~200uF Capacitor Tester, 200~2000M0 0hm MeterCapacitance Meter, hFE Test Multimeter, Manual Range, Backlight, Auto Power Off, Testing Meter Tool

Digital Illuminance Light Meter Range up to 400,000 Lux, 270º Rotated Sensor, Data Retention, Ambient Temp (℃/℉) with Data Logging for Plants LED Lights, Aquarium, Schools, Offices

Nuclear Radiation Detector Geiger Counter Radiation Dosimeter Portable Beta Gamma X-ray Rechargeable Radiation Meter with LCD Display, 5 Dosage Units Switched for Household, Industry