Specification Brand : Gain Express Color : Data Logging With Alarm(temp Meter Function) Label : Gain Express Holdings Ltd. Manufacturer : Gain Express Holdings Ltd. Model : SLM-390 NumberOfItems : 1 PackageDimensions_Weight : 1.7636980960 PackageDimensions : L:12.59842518400 X W:4.72440944400 X H:3.14960629600 PartNumber : SLM-390 ProductGroup : Home Improvement ProductTypeName : ELECTRIC_CIRCUIT_TESTING_DEVICE Publisher : Gain Express Holdings Ltd. SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41F5Jayvb9L._SL75_.jpg SmallImage_Width : 75 Studio : Gain Express Holdings Ltd. Title : Decibel Meter Sound Level Meter, High Accuracy db Meter Classroom Noise Meter with A/C/Z Weighted, spl Meter with Logging 30-130dB Audio Noise Measure Device with Data Hold Backlight Weight : 1.8 WeightUnit : pounds