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Listening Device In Acoustic Alarm Mini Voice Surveillance System Band 2 Mic Standby Time Audio Monitor

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Product Details
Product Details

Card compatible: GSM / SIM (not included)
Microphone range: 2m
Work frequency: 850mhz, 900mhz, 1800mhz, 1900mhz
Standby time: Support voice control with2-3 days, 12-15 days without voice control
Power: built in battery
Material: plastic
Color: black
Item size: 42*32*14mm
Package list: 1 x audio monitor, 1 x USB cable, 1*user manual

<< Automatic monitoring function: As long as it exceeds 45 decibels in 4 meters, it will automatically call back.
<< Built-in microphone: Built in mic, so can be heard clearly and quickly.
<< Easy to operate: You just make a call to the SIM number which is installed in the device, then you will hear nearby voice within 10 meters in a few seconds.
<< Work frequency: GSM quad band (850/900/1800/1900Mhz), work perfectly around the world.
<< Power on: Open the back cover. put the Sim card in the device, then the device will power on automatically. The indicator light will last for 3 seconds. You can start to use after indicator light is off.
<< Voice feature: Send 1111 message to the SIM card number then voice control is opened. When send 0000 message, then voice control is closed.
<< Charging: When the device is charging, red and yellow indicator light will be on, when fully charged, only red one will be on.
<< Portable: Compact and lightweight design, easy to hide or carry.
<< Notes:
1. Please allowed 1-3mm differences due to manual measurement, thank you!
2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.

 

 

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