• GSM Voice Recorder with micro SD card slot
• HD Recording, file format: 32kbs WAV
• Recording Mode: Voice Activation & Schedule & Remote
• Voice DSP, clear record sounding voice within five meters
• Support maximum 32G byte SD card
• Support artificialSim card working mode
• Drop-trigger alarm built-in
• Water-Proof design with strong magnets built-in
• Police & Detector’s Best Choice