WIFI Rechargeable Battery Spy Camera

All of them have tiny hidden cameras while some can be operated using a phone

Walk-through metal detectors are typically installed at indoor checkpoints to detect illicit material and contraband. Outdoor walk-through metal detectors are designed for temporary outdoor use and are widely used at special event checkpoints, such as concerts or sporting events.

A stun gun is a portable safety device you can use to protect yourself by "stunning" or "jolting" a would-be assailant. Stun guns disable a person by delivering a temporary, high-voltage electric shock.

Automated keylocks that has facial recognition, fingerprint, swipe card,manual key, remote as a means of operation and it can also be operated using a smart phone connected through WIFI

Used as a self defense

For testing for the presence of water at the bottom of fuel storage tanks.Suitable only for use with Petrol, Diesel, Kerosene, Gas Oil, Heating Oil, Heavy Oil, and Lubricating Oil. It is applied to a rod / length of string with bottom weight, the brown paste changes colour to brilliant red where it comes into contact with water, giving you a visual indicatio...

Used by hand to detect metallic objects

Used as a self defense against long range threats

Spy glasses have cameras with memory spaces built in them while Bodyguard Google enables for both front and back views.