For anyone that enjoys nature watching or bird watching, adding some audio makes the experience more satisfying. Professional grade spy bugs and listening devices are at the core of our product line. You will not be able to find any spy bugs on the market that can match the performance of our devices. Our products come in a range of varieties, which sometimes can seem a bit complicated, but we will make the following comparison for you to understand them easily. Listening devices can be divided into three categories based on their modes of operation, namely

Now that you know the different recording devices, you may wonder how you can confirm someone is listening. Fortunately, a straightforward way confirms someone is listening to you secretly. How to Find a Listening Device In Your Home When it comes to performance, this device performs well as long as you’re between 30 to 40 yards away from the audio source. Sound waves travel through air and water. And since air is primarily transparent, sound travels pretty fast. Air molecules vibrate because of heat and pressure changes. And those vibrations produce sound. The speed of sound depends upon temperature. So, sound travels fastest at lower temperatures. The speed of sound increases by 2% per degree Celsius. That means that sound travels faster at night than during the day.GSM Bugs– These listening devices use the GSM network to transmit audio data to a remote location. They are often used by investigators to monitor conversations in real-time. Our most popular GSM bugs is the Q-BUG. Long-range listening devices allow you to listen to the sounds of nature without disturbing the natural environment. You can listen to the sound of the wind, the sound of water, or the sound of animals. These devices amplify the sound and let you hear it.

To make the best use of your time and not waste hours waiting for something to happen, choose a voice-activated device. These devices can send you an alert when voices are detected, so that you can listen in live, and they can also start to record audio when voice detection is activated. The Lehang8899 Extreme Sound Amplifier is one of the expensive options that we have for this list. However, the specifications and properties of the Lehang8899 Extreme Sound Amplifier are unmatched by many of its competitors. Keeping the sound performance aside, this long-range listening device features a 10x prism optical monocular for the perfect visual experience. Plus, you get the standard 12 seconds recording functionality without needing an external storage device. This is the best option if you’re looking for a cheap long-distance recording device. It offers great value for money and comes with a lot of features. Plus, it’s compatible with almost every smartphone out there. Because the dish is smaller, you sacrifice some range. The Bionic Ear is limited to 100 yards. This is excellent range overall, but it lags behind the Detect Ear.The world of long-range listening devices can be confusing with hundreds of products available. These devices – whether marketed as bionic ears, laser microphones, optical listening devices, or parabolic listening devices – all have one goal in common: capturing audio from a distance. LongLife series is a high-quality series designed for advanced usage of GSM bugs. They are crafted from the latest materials. LONGLIFE is a battery-based module that comes in several different variations; a PRO version has a better signal and sound quality module. Some of these items use up a lot of battery power, and/or run on difficult to find batteries. Choose one with regular batteries that last for at least a few hours.