Get this it works through: Cement walls, Steel walls, wooden walls, iron walls, glass and air brick
1.Features:
F-999B is a high sensitive partition monitor, which is perfectly constituted by metal receiver, metal handset with superior detecting ability and high-quality headphones, making it more sensitive and sound-qualified. It owns built-in Lithium battery and unique FM transmitter function, easy to be manipulated and carried
2.Usage:
Put the earplug into headphone hole, the sounder 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 sounder 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 equipment's to go through the mouth of the recording 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.
3.Cautions:
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 sounder must smoothly stick to the wall`s surface; never move the sounder when you are sticking it to the wall in case of damaging the sounder. 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 boogie of the sounder is the refined part which should not be dismantled or touched discretionary.
4.Parameter:
Electric Current Exhaust: 10mA
Battery type: 3.7V lithium-battery
Continuous monitoring for 100hours
Four Audio Choices: A (200MHz) B (800MHz) C (1200MHz) D (partition boogie monitoring)
Sounder`s sensitivity: -70db, the maximum times of amplifying
the audio: 2000 times
Penetrability: Cement wall, Steel wall, wooden wall, iron wall, glass and air brick
Answering patterns: Headphones, recording, wireless FM emission
Shipping:
1. All products will be shipped by Normal China Post via Air mail or by registered airmail from the Dutch postal.
2. Please allow up to 48 hours preparation for shipping. On usually, we will send the package within 24 hours when we received the payment.
3. We offer shipment combine to buyer whom ordered more than one items once time from the same site, to save a part of postage.
4. We will not be responsible for item loss because of wrong or undeliverable address.
Return policy:
* If you find the product defect from manufacture or damage, please contact me within 14 days of receiving your item to arrange it. and we'll do our best to make you satisfied.
Customer Service:
1) If you have any questions, Please contact with us via eBay message or our customer service e-mail . please be advised that e-mails will be replied by our customer services officers Mon. - Fri. 09:00 - 23:00 (Excluding Public Holidays)
2) You may expect to receive a response to your inquiry within 24 hours. (Excluding Weekends and Public Holidays)
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