Item Description
F-999B Thru-wall spy ear is a high sensitive partition monitor,use this superior metal made handset to listen another room conversation,its connect with metal receiver and high quality earpieces,built in lithium battery and unique PM transmitter function,easy to operation and carry.
How to use

Put the earplug into headphone hole, the sonde into the MIC hole, and clockwise rotate the "switch on/off" button of the volume. When the indicator light of the power works, booth the machine and adjust the volume, smoothly stick the sonde to wall the need to be monitored, adjust the gear-choice buttons A B C until you can clearly hear the sound from the room.
If you need to do the sound recording, you can use recording equipments to go through the mouth of the recoding to connect the audio cable for recording. Also, F-999B has another special FM wireless emission function, with specialized FM receiver which can receive the information afar and monitor that.

High sensitivity of wall detection FM wireless emission and receiver Signal-receiving by sonde and bougie Adjustable volume and frequencies Can be ranked as 007 level weapon


Primary Function: Partition monitor
Ports and switch
- Gear choice A/B/C/D
- ON / Volume +/- / OFF
- DC
- FM
- 3.5mm headphone port
Electric current exhaust: 10mA
Battery type: 3.7V Lithium battery
Charging time: 5 hours
Continuous working time: About 100 hours
For audio choices
- A: 1200Hz
- B: 800Hz
- C: 200Hz
- D: Partition bougie monitoring - about 100MHz
Sonde's sensitivity: -70dB
Max. amplifying the audio: 20,000 times
Penetrability: Cement wall, steel wall, wooden wall, iron wall, glass and air brick
Answering patterns: Headphones, recording, wireless FM emission
Dimensions: 74×70×26 mm
Weight: 192g
Color: Stainless steel color

The indicator light works when it is charging please shutdown in case of damaging the machine. It needs to charge for about five hours. The sonde must smoothly stick to the wall’s surface; never move the sonde when you are sticking it to the wall in case of damaging the sonde. The effect of the monitoring depends on the thickness, materials and other features of the wall. Appropriately adjust the gear-choice button until you can get the best effect of monitoring. D is the partition monitoring bougie of the sonde is the refined part which should not be dismantled or touched discretionarily.
>>Package Includes

1 X Receiver

1 X Metal handset

1 X Partition bougie

1 X Antenna

1 X Earpieces

1 x Charger

1 x User manual
Please pay attention to the following items carefully :

(We support shipping by the EMS and DHL at the same time. if you to use the EMS or DHL, Pls ask about the shipping cost by EMS or DHL.)

*Goods will be sent out within 2 working days after confirmed Payment.
We ship the goods by Hong kong post airmail. Delivery Time is approx. 7 - 14 business days to most US / UK / AU destinations.
Country Approx. Delivery time
US/United Kingdom/Australia/Netherlands/Ireland/Canada 7-14 working days
Russia / France / Spain / Germany/ Eastern Europe 7-21 working days
items will take longer time to arrive due to Custom Inspection

Brazil / South America 3-5weeks due to strict Custom Inspection

We are not responsible for carrier transit time. This information is provided by the carrier and excludes weekends and bank holidays. Note that delivery times may vary, particularly during peak periods or inclimate weather conditions.
Seller will NOT be held responsible for items damaged or lost in transit unless insurance is acquired. If no insurance available, please send us an email if you require insurance (Seller will assist the buyer to track the parcel if needed). Buyer are fully responsible for any international taxes & duty fees, which may charge upon delivery. Please contact your local post office to determine your estimated taxes & duty fees.

>>Customer Service:
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