MESTEK EMF01 Electromagnetic Radiation Detector Highly Sensitive 3-Axis Sensing Probe 1. Three-way signal detection: High-sensitivity three-way induction probe (X, Y, Z axial electric field and magnetic field measurement) 2. Make radiation nowhere to hide: In daily life, radiation comes from computers, TVs, microwave ovens, electric fans, mobile phones, etc. When the analog digital electromagnetic radiation displayed on the screen reaches the yellow area, the instrument alarms, and the screen displays ALARM and Harmful prompts at the same time, indicating that the radiation exceeds the standard, and protective measures should be taken or stay away from the radiation source. 3. High-definition color screen display, easy to use and simple to operate 4. Power supply: 3 AAA batteries (not included), easy to replace and power-saving 5. The outer shell is made of rubber material, comfortable to touch, resistant to drop and wear, and strong in impact resistance 6. Widely used in homes, offices, living areas, industrial equipment, distribution rooms, high-speed railways, signal base stations, etc. Specifications: Working altitude: 2000m Measurement method: electromagnetic induction Display mode: VA reverse color screen Maximum display: 9999 Sampling rate: about 0.4 seconds Measurement range: Vm: 0~9999, uT: 0~74, mG: 0~740 Resolution: Vm: 1, uT: 0.01, mG: 0.1 Bandwidth: 5-3500MHZ Automatic shutdown: about 10 minutes Working current: about 20mA Power supply: 1.5V x 3 AAA (not included) Measurement temperature range: -10~60 degrees Celsius Working temperature and humidity: 0~60 degrees Celsius0~85%RH Storage temperature and humidity: -10~60 degrees Celsius0~80%RH Dimensions: 170 x 73 x 33mm Weight: about 160g (without battery) Package includes: 1 x tester 1 x screwdriver 1 x storage bag 1 x English manual