Features: Built-in 32GB flash memory, can save 9000 minutes of loop recordingSupport loop recording, All analog phones are supported, 't worry about insufficient storage space.Recording files can be read directly through the U disk function.The system can automatically check and recover, and the records are reliable and stableLow Noise Digital Telephone Recording Box for Device Parameters: Memory: 32GB -SD cardRecording Formats: WAVDate and Time Stamp: YesRecording Bitrate: 192KbpsUSB Port: USB 2.0Frequency Response: 20Hz -20KHzPower Adapter: 5V 1AWorking Temperature: 0 - 40Weight: 50gwarn: Application: Please strictly abide by relevant regulations and laws. This product should not be used for any illegal .Working temperature: 0 - 40C.Operating Humidity: This product is not waterproof, so do not wet or use it in a humid environment.Other matters: Do not use this product in a strong magnetic field or strong electric power environment.Notice: After installation, please check whether the power connection is correct.If the U disk cannot be opened, please format the U diskIf the LED flashes quickly, the SD card is installed incorrectly, please open the cover and reinstall the memory card.Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so onvoltage: AC100-240Vsize: 55 x 35 x 25mmMaterial: Metalcolour: blackPackage Contents: 1 x Telephone Recorder1 x USB Cable1 adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.