Features1Simultaneously Detecting Three Parameters: The 3 in 1 EMF Meter quickly detects radio frequency intensity, electric field intensity, and magnetic field intensity, and the data is displayed on the same interface, indicating whether the three data exceed the standard. 2Large Clear Color Screen and Colorful Font: The large and clear color screen and large and colorful font design can easily cope with dim and bright environments, giving you a more comfortable experience. 3With Current Radiation Level Grading Function: Three different colors correspond to different current radiation levels, allowing for a more accurate and graphical understanding of the current environment. 4Portable and Accurate: The electronic radiation tester is compact, lightweight, and portable, with built in high accuracy chips, making it practical and reliable to use. 5With Sound Alarm Function: When excessive data is detected, the buzzer will sound an alarm and a mute button will turn off the sound. 6Multifunctional Design: This 3 in 1 EMF meter has lock screen (data lock) function, supporting the display of maximum and average values. Widely used in kitchens, high voltage equipment, homes, offices, factories, etc.SpecificationItem Type: Electromagnetic Radiation DetectorProduct Material: ABSProduct Color: BlackWeight: Approx. 167g / 5.9ozBattery Type: AAA Battery (Shipped with Built in Battery)Number of Batteries: 3Single Battery Capacity: 600mAhPackage List1 x Electromagnetic Radiation Detector1 x User Manual