Features: 3 in 1 EMF meter: One device for detecting electric field, magnetic field radiation, and temperature simultaneously. Alarm function: When the electric field exceeds 40 V/m or the magnetic field exceeds 0.4 µT, the device will trigger ble, visual, and on-screen alerts. Clear display: LCD screen shows real-time radiation value trends and provides radiation assessment to indicate whether current levels are within safe limits. User-friendly design: Compact and lightweight, easy to operate with one hand, suitable for portable and field use. Wide application: Suitable for home, office, and industrial environments; can be used to measure electromagnetic radiation from devices such as mobile phones, computers, TVs, refrigerators, and high-voltage power lines; also useful for testing the effectiveness of protective items like radiation shielding clothing and films. Specifications: Material: Plastic Color: As shown in pictures Package weight: Approximately 128 g Dimensions: Approximately 152 x 52 mm (5.98 x 2.04 in) (Refer to product images for additional size details) Note: Please allow 1–3 mm variation due to manual measurement. Actual product color may vary slightly due to monitor display differences. Package includes: 1 x EMF Radiation Detector