Details
Wall ear is a highly sensitive contact and probe microphone amplifier system.
Both microphone and amplifier are built into a strong metal housings for durability. Enhanced quality sound and performance capable of listening to conversations in adjoining rooms and houses.
High quality earbuds a built in lithium battery and all accessories needed to achieve the job.
The highest sensitive contact microphone available with superior detection ability using best quartz crystal piezo.
Features and Specifications Penetrable surfaces:
Cement, Metal, Wood, Iron, Glass, Plastic, Brick
Working time: Continuos monitoring up to 24 hours Headphone output: 3.5mm stereo @ 250mW Four audio channel: 1200Hz, 800Hz, 200Hz Maximum gain amplification: 20000 times Battery type: 3.7v lithium battery Microphone sensitivity: -70db Current consumption: 10mA Record line output: 2.5mm stereo Jack socket Battery capacity: 250mA Package includes: Sonde contact microphone Probe / Needle microphone Microphone / Headphone Amplifier 2.5mm-3.5mm stereo record lead Charger and Metal case