Features: brand new and high quality MULTI-IN-1 RADIATIONDETECTOR. This electromagnetic radiation detactor is very suitable for monitoring the radiation of TV, computer, fridge, household electric appliances, mobile phones, micro oven, medical-equipments, etc. LCD DIGITAL DISPLAY. Accurate digital LCD display. High sensitivity, for ideal for electric field, magnetic field, detecting mineral radiation, industrial nuclear radiation, medical-machines radiation, furnitures, etc. LOUD SOUND ALARM. Loud sound alarm, accurate reading. One-key data locking function. 9V battery powered (BATTERY INCLUDED). Premium ABS plastic material, compact and portable. CHILD for HEALTH for PROTECTION. Reducing the harmness of various electromagnetic radiation that may happen to your childre, olds, families. WIDE-APPLICATION. Widely used in the office, home, school, hospital, laboratory, factory, outdoor adventure, ore mining, nuclear power plants construction, and industrial fields, nuclear industrial, etc. Specifications: Material: ABS Accuracy: 1V/for m; 0.01uT Range: 1V/m-1999V/for m; 0.01uT-99.99uT Alarm Threshold Value: 40V/for m; 0.4uT Bettery: 9V Battery (Included) Working Humidity: ≤80％ Working Temperature: 0-50℃ Size: Approx. 126x64x31mm/5x2.51x1.22in Color: As Picture Shown Weight: Approx. 220g Package Includes: 1 Set Electromagnetic Radiation Monitor note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!