This vintage science poster, titled "Radiation Spectrum Chart," offers an educational overview of electromagnetic radiations.
Designed and edited over a two-year period by a passionate scientist named Barr, this print has been featured in various educational films and Hollywood movies.
It is a unique and informative addition to any collection of engineering collectibles. The poster is ava…

The ProPlumb Leak StethoSense offers a reliable solution for plumbers seeking to detect leaks, including those from sub-terrain and air leaks.
Featuring a dual probe design and adjustable volume, this electronic stethoscope is designed for ease of use. The package includes two probes, wired headphones, a carry case, a 9V battery, and a user's guide, providing all necessary tools for leak dete…

Discover a reliable tool designed to detect a wide range of radiation signals, from 5Hz to 3.5GHz, with the Radiation Alert Pro 3-in-1 Detector.
This device offers enhanced protection by providing double the warning signals, ensuring that potential radiation hazards are swiftly identified.
Ideal for those seeking to maintain awareness of their surroundings and prioritize their health, thi…

The Escort Shield Mount is designed specifically for the Escort Passport 9500ix 8500 X 50 Radar Detector.
This mount features a heavy-duty suction system capable of holding up to 20 pounds, ensuring a secure attachment to your windshield.
The adjustable angle of the mounting plate allows for optimal positioning of your device. Additionally, a dash plate with double-sided tape is included …

The KeyTrack 20 is a cordless telephone accessory designed to help users locate misplaced keys effortlessly.
With a focus on enhancing the online shopping experience, this product offers a budget-friendly solution for keeping track of important items.
Based in Redondo Beach, California, this innovation provides convenience for individuals seeking a reliable key detector.

This hidden device detector is designed for detecting RF and GPS signals, with a wide frequency range from 1MHz to 6.5GHz.
Equipped with a special lens, this detector can identify various modern communication signals including GSM, 3G, 4G, 5G, Bluetooth, Wi-Fi, 2.4G, and 5.8G.
With the ability to work continuously for 25 hours, it provides reliable surveillance against potential spy camer…

The VoltSense Non-Contact Electric Tester is a reliable and easy-to-use tool for detecting AC/DC voltage.
With a safety level of CAT II 1000v, it is designed to be compact, long-lasting, and low on power consumption. The device features a red flashing indicator that alerts users to the presence of voltage, making it ideal for use by electricians, maintenance personnel, and homeowners.
Thi…

The SecureAlert Motion Sensor System is a wire-free home surveillance sensor and motion detector that offers an easy and fast installation process.
This battery-operated system includes all the necessary hardware, making it an ideal solution for those who want a budget-friendly and hassle-free security system.
With a range of up to 16.4ft and 110°, the motion sensor alarm with 2 sensors i…

The PowerCheck USB Tester is a small and portable device that can measure the operating current and output voltage of USB ports and equipment.
It is designed for use in factories, laboratories, and by individual users, and requires no additional equipment or power source.
The device features a new generation of power four semi-double loop integral converter IC, which provides high precisi…

The EMF Shield Trio for Cell Phones and More is a set of three anti-radiation shields designed to eliminate up to 99% of EMF radiation entering through the ear.
These shields are easy to install and do not affect the quality of reception. They are compatible with a variety of devices, including cell phones, tablets, pagers, PDAs, walkie talkies, and cordless home phones.
The shields are b…