Description: With a backlight digital display design, this radiation detector can easily cope with dim light at night and bright light during the day for a more comfortable experience. You can use this radiation detector to detect RF field strength, magnetic field strength, and electric field strength, which is very useful. And it will sound an alarm to protect your safety. It is constructed of ABS material. The length of this product is 12.7cm, the width is 6.5cm and the height is 2.3cm. It can meet the needs of home life detection, substation detection, mobile signal tower detection, etc. Item Name: EMF Meter Material: ABS Features: High Accuracy, Professional, Handheld Battery: 3 x AAA Batteries (Not Included) Detection Range: RF / Power Force: 0 - 99.999 - pwm/C Magnetic Field Strength: 0 - 99.999MicroT Electric Field Strength: 0 - 999.99 V/M Frequency Range: RF/Power Strength:50 Mhz-5ghz Magnetic Field Strength:20 Hz-1mhz Electric Field Strength: 20 Hz - 100 Mhz Detection Accuracy: Rf/Power Strength: 0.001MicroW/Cm Electric Field Strength: 0.01 V/M Magnetic Field Strength: 0.001MicroT Size Details: 12.7cm x 6.5cm x 2.3cm/5" x 2.56" x 0.91" (Approx.) Display Screen: 6.6cm x 4.9cm/2.6" x 1.93" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x EMF Meter 1 x User Manual