Feature 1Digital LCD display with backlight, easy for you to read 2Portable design, easy carry and convenient and quick for use 3Minimum/Maximum data display and data hold function 4Alarm beeps and red flashing lamp in dangerous zones, excellent reliability and high accuracy 5It can be used to verify any leakage from microwave ovens within a few minutesFeatures: Digital LCD display with backlight, easy for you to read. Portable design, easy carry and convenient and quick for use. Min/Max 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: Model: HTM2 Color: Yellow Calibration: 2450MHz Measurement Range: 09.99mW/cm Warning: 5.0mW/cm 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.