Feature:1. Dual Use: This detector can be used for two purposes, simultaneously detecting electric field and magnetic field radiation.2. LCD Color Display: Comes with a color LCD display, this detector can display the radiation value trend graphically.3. Alarm Function: This detector has a sound and light alarm, which is very sensitive, it will automatically alarm when exceeding the safety value.4. One Key Data Lock: The detector features data locking and one key radiation value locking, which is more convenient for reading.5. Portable: Comes with a small size and lightweight as well, you can easily take this detector with you to help with your work. It can be operated with one hand, which is very convenient!Specification:Item Type: Radiation DetectorMaterial: ABSBattery: 1 x 3.7V 600mAh 103450 polymer lithium battery (Shipped with built in battery)Electric Field:Unit of Measurement: V/mAccuracy: 1V/mRange: 1 to 1999V/mAlarm Threshold: 40V/mMagnetic Field:Unit of Measurement: T/mGAccuracy: 0.01T/0.1mGRange: 0.01 to 99.99T/0.1 to 999.9mGAlarm Threshold: 0.4T/4mGReading Display: 3-1/2 bit LCDTest Bandwidth: 5Hz to 3500MHzSampling Time: About 0.4 secondsTest Mode: Dual mode simultaneous measurementOverload Prompt: LCD display range maximumOperating Temperature: 0 to 50Operating Humidity: Relative humidity below 80%Working Voltage: 3.7V.Package List:1 x Radiation Detector1 x Manual 1 x Charging Cable