Smart Geiger Subminiature sensor for measuring radioactivity Measurement Gamma, X-ray Range 0.1~200uSv/h Measurement error ± 30% Smart Geiger Pro Subminiature sensor for measuring radioactivity Measurement Gamma, X-ray Range 0.1~200uSv/h Measurement error ± 10% Wireless Geiger Wireless device for measuring radioactivity Measurement Gamma, X-ray Range 0.1~200uSv/h Measurement error ± 15% Smart EM Checker Subminiature sensor for measuring electromagnetic waves Measurement EMF Range 0.1~1,000 V/m16Hz~100kHz Measurement error ± 30% Smart UV Checker Subminiature sensor for measuring ultraviolet rays Measurement UV - UVA, UVB Range 240~380 nm Measurement error ± 10% Smart Temp Checker Subminiature sensor for measuring temperature-humidity Measurement Temperature & Humidity Range Temp : -40 ~ 120 ℃ / Humidity : 0~100% Measurement error Temp : ±0.5 ℃ / Humidity : ±2.5% Smart V Checker Subminiature sensor for measuring DC bolt Measurement DC전압 Range 0~10V (0.01 V step) Measurement error ±0.05V Smart VL Checker Subminiature sensor for measuring visible rays Measurement Visible light Range 0-40,000 Lux Measurement error ± 15% Smart IR Checker Subminiature sensor for measuring infared rays Measurement Red rays and extreme infrared rays Range 0~150mW/cm2 Measurement error ± 15%