Monitor your environment accurately with this advanced Electromagnetic Field Radiation Detector, designed for precise measurement of electric fields, magnetic fields, and radio frequency radiation simultaneously. Crafted from durable ABS material and featuring a compact, portable design, this detector supports USB rechargeable functionality, ensuring extended usage and convenience on the go. Key Features: · USB Rechargeable Battery: Equipped with a built-in 3.7V 400mAh polymer lithium battery, the device charges efficiently via USB with a 5V charging voltage and ≥1A charging current, allowing longer operation without frequent battery replacement. Charging status is clearly indicated by a green light. · Multi-Method Alarm System: The detector provides visual and audible alerts through sound and light alarms when radiation levels exceed preset safety standards, ensuring early warnings for potential hazards. · Simultaneous Triple Measurements: Accurately measure electric field (0-2000V/m), magnetic field (0-100μT), and high-frequency power density (0-1000μW/cm²) all at once, displayed simultaneously on an easy-to-read color screen. · Wide Frequency Detection Range: Measures frequencies from 6Hz to 5GHz, allowing detection of both low and high-frequency electromagnetic radiation using a high-speed imported operational amplifier for reliable results. · Stable and User-Friendly Operation: Featuring advanced software algorithms for stable and precise readings, the device includes a 1.8-inch color TFT display with adjustable brightness across four levels for easy viewing in various lighting conditions. · Compact and Portable Design: Small in size and lightweight, this electromagnetic field detector is convenient to carry and ideal for on-site assessments, home use, or professional applications. Specifications: · Material: ABS · Measurement Ranges:  - Electric Field: 0-2000 V/m (resolution 0.01 V/m)  - Magnetic Field: 0-100 μT (resolution 0.01 μT)  - High Frequency/Power Density: 0-1000 μW/cm² (resolution 0.01 μW/cm²) · Alarm Thresholds:  - Yellow Alarm: 40 V/m, 0.4 μT, 40 μW/cm²  - Red Alarm: 400 V/m, 20 μT, 200 μW/cm² · Frequency Measurement Range: 6 Hz to 5 GHz · Battery: Built-in 3.7V 400mAh polymer lithium battery · Charging: USB 5V, charging current ≥1A with status indicators · Display: 1.8-inch color TFT with 4-level brightness adjustment Package Includes: · 1 x Electromagnetic Field Radiation Detector This comprehensive electromagnetic field radiation detector combines precise multi-parameter sensing with portability and ease of use, making it an essential tool for assessing radiation exposure levels in homes, workplaces, and outdoor environments. Ensure your safety and peace of mind with this reliable, rechargeable radiation detector.