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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

Video format: AVI Video format: AVI Video Coding: M-JPEG Video Resolution: 1920*1080 Image proportion:4:3 Support up to 128GB TF card WIFI App : HDminicam Battery:3000Mah Playing Software: Operating system comes with or mainstream video player software Operating system: WinXP,Win2000,Windows Vista,Win7, Mac os, linux Learn More

Specifications: Working Radius: 15 meters Signal Power: 1200mW Power Supply: can work via battery and two power adapters Battery Information: Lithium-ion 8.4V 6600mA Battery Working Time: 3.5 hours maximum Adapters Details: AC 110~250V to DC 12V, car 12V to DC 12V, both 2000mA Antennas Details: high-tech rubber (6 units) Dimensions Of Device: 127/250x75x34mm Weight Of Product: 800g Fully protected against: iPhone3,iPhone4/S,iPhone5/S/C iPhone6/S/Plus iPhone7/S iPad2/3/4 Air All Sumsung 3G 4G cellphone HTC cellphone Moto cellphone All other cellphones Note: 4G(LTE)725MHz - 770MHz / 4G(2300MHZ-2500MHZ) for USA 790MHz - 862MHz / 4G(2620MHZ-2680MHZ) for Europe we will choice correct model according your shipping address Learn More

Specifications: Working Radius: 15 meters Output power: 4W Power Supply: can work via battery and two power adapters Battery Information: Lithium-ion 3.7V 4000mA Battery Working Time: 2 hours maximum Adapters Details: AC 110~250V to DC 12V, car 12V to DC 12V, both 4000mA Antennas Details: high-tech rubber (8 units) Dimensions Of Device: 130x80x38mm(not include antennas) Weight Of Product: 800g Package List: 1 * Portable Signal Jammer 1 * AC adaptor 1 * Car adaptor 1 * Antenna 1 * User Manual Advantages: Multiple bands High output power Cooling fan inside , Could be used in car directly,With car charger and AC charger With Built-in Battery:4000mA/h,Charge full time about 6Hours,Working time:1-2Hours. Application Area: it can be applied at meeting rooms, conference rooms, trains, bus and more For some locations of special purpose such as hospitals, gas stations and more, Please do field test first to make sure no interference happened to the normal operation of their equipment and instrument Fully protected against: iPhone3,iPhone4/S,iPhone5/S/C,iPhone6/plus/S/C iPad2/3/4 All Sumsung 3G 4G cellphone HTC cellphone Moto cellphone All other cellphones GPS Tracker WiFi Device Lojack Tracker Learn More

Descriptions: This dictionary audio jammer support to blocks digital voice recorder,cell phone,video recorder,audio bug and other audio device which pick up voice. This audio jammer generate "zzz" noise to all the digital microphone, it will protect the conversation voice not be recorded or transmitted by any device. This audio jammer is quiet which do not generate any noise to human ear, easy to hidden in your office or meeting room. Charging: during charging trun green LED on, when charged full turn red LED on. This device support working during charging. Parameters: Blocks object: cellphone,digital voice recorder,video recorder,GSM listen device etc. Effective distance: 2 - 5 meters Effective angle: 90 - 120 degree Power On/Off: Remote control Product Dimension: 210mm*150mm*50mm Weight: 0.95kgbr /> Working Temperature: -40 - 55° Working Humidity: 35 – 85% Battery Capacity: 4000MAH/12V Package: PP protection case Power Adapter: AC 100V/240V to DC19v/2A Package Content: 1 x Audio Jammer 1 x Power adapter 1 x Remote Control 1 x Package box Frequently bought together Customers who bought this product also commonly purchased the following combination of items. voice jammer iphone 6s jammer Learn More

Features: 1). Convenient recording: Use SD card carrier for recording, can recording without computer. 2). Two ways for recording: You can set automatic recording or manual operation recording as you need. Incoming call will recording automatically. 3). Cycle of recording: support cycle of recording, when there is no more memory capacity, the earliest records will be overwritten. 4). Simple interface, easy to operate. 15). Blue LCD display. 6). With Clock function. 7). The equipment with a built-in Speaker. Supports MP3 music files playback. 8). The recording equipment with a 3.5mm headphone port, you can listen music, it will not disturb others work Parameters: 1.Item Size:10.2cm*6.5cm*3cm 2.Net Weight:120g 3.Power source:DC 5V 4.Recording form:WAV 5.Packing size:15cm*11cm*5cm 6.Gross Weight:340g 7.Power:500MA 8.Memory medium:SD card (16GB max) 9.Package Contents: telephone line * 1 Power supply * 1 Recording box * 1 Ahdcameras.com wholesale callrecorder,phone recorder,voice call recorder,spy call recorder,video call recorder,free voice recorder,phone conversation recorder,best call recorder online Learn More

Compression Standard: Video compression: H.264 Image: Image resolution: (720*576), General: Power supply:Micro USB Cable IR distance: Night visibility up to 10M Operating temperature: -10 °C to 50 °C Terminal system support: IOS:6.0 and above Android:4.0 and above Package includes: 1 x WIFI Camera 720P with Night Vision (with original pack) 1 x USB Cable 3 x Screws 1 x User Manual 1 x AC Power Adapter ( EU Plug/ US plug) Gray colors will be sent by default! Learn More

Parameters: Item Size:10.2cm*6.5cm*3cm Net Weight:120g Power source:DC 5V Recording form:WAV Packing size:15cm*11cm*5cm Gross Weight:340g Power:500MA Memory medium:SD card (8GB max) not including Package Contents: 1 * Mini Telephone Recorder 1 * Telephone Cord 1 * AC Power Adapter 1 * Manual Learn More

Technique parameter 1.Frequency band:910A (UHF band),910B(ISM band short antenna)band fixed frequency point,using soft antenna to rod antenna to receive. 2.Transmission distance:2000m(max 5000m)in widen area,which is according to its using conditions. 3.Power supply:the transceivers use high energy Lithium batteries witch can be used for 36 hours to monitos and 16 hours to transmit in total. 4.Sensitivty (all directions )of sound picking up is better than 12db .Differentiate rate is high within 100 square meters .Impedance of audio input circuitry is low. 5.The jack (3.5mm) of the monitor head can be input all kinds of audio signals,such as monitoring audio frequency and MP3 output,and so on. 6.The input signal cab ve regulated for a loud and discortionless sound ,it can use the MP3 as a signal source to test which the provided connecting wire. 7.You can insert a three-way plug to the earphone hole ,thus ,you can connect the sound pickup to the recorder to record the content you heard at the same time as you hearing. attention: * Usedtoautomaticallypoweroffafter thecharge togreencontinuedstorage ofadditionalpowercanchargethe maximuml-hourand extendedbattery life.External powercharger foruse must beinfullchargestate (when thegreen lightoff) for, ifyouhuminterferencefrom thepullreceiverwill reduceor disappear.Pleasedo not uselongenoughto addelectricpowerto save andonceevery two months.Non-covered boxorKaicould damage the product.Transceivermust be matchedwith(packagemay be differentbetween thetransceiverfrequency). Learn More