Features Digital LCD display with backlight, easy for you to read Portable design, easy carry and convenient and quick for use Minimum/Maximum data display and data hold function Alarm beeps and red flashing lamp in dangerous zones, excellent reliability and high accuracy It can be used to verify any leakage from microwave ovens within a few minutes Specification: Color: Yellow Calibration: 2450MHz Measurement Range: 0‑9.99mW/cm² Warning: 5.0mW/cm² Accuracy: ±1dB Power Supply: 1 x 9V Battery (NOT Included) Size: Approx. 13.2 x 5.5 x 3.7cm/5.2 x 2.2 x 1.5inch Weight: Approx. 139g/4.9oz Package List: 1 x Microwave Leakage Detector 1 x Black Bag Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List