jammer

Product Description The device is designed to protect conversation areas from eavesdropping. Device blocks wireless microphones, tape recorders, hard-wired microphones and most of professional digital voice recorders including recorders installed in mobile phones (smart phones). Ultrasonic inaudible noise signal, as well as acoustic speech-like noise signal, are used in jamming the eavesdropping devices. This product is in stock now, we guarantee shipping within 48 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, JammerFromChina. Manufacturer Specifications Shielding Objects Voice recording device as Cell Phone, Recording Pen, Audio and etc. Shielding Radius 0.5-1.5 meter Shielding Effect > 80% Shielding Angle Horizontal 90°/ Vertical 90° Battery Inside 6000 mAh / 12V (3 * 2000mAh) Product Weight 0.6 KG Product Size 142*74*29mm Packing Box Size 270*220*120mm Power Supply Battery Inside / AC Adaptor Working Current 0.3A Interception Mode Acoustic Interference Interception Strength 85dB Working Time 8 hours Working Temperature -30℃～40℃ Shell Material Metal Learn More