Easy to operate with 2 alternative alert ways of audio signal indicator and vibrator indication. Alarm Indication Alarm Signal Pin, Iron Nail: Approx. Battery: 1 x 6F22 9V Battery (Not Included).
eBay
Portable CO Detector 700mAh Rechargeable Carbon Monoxide Detector 1s Refresh with Adjustable Buzzer Alarm and Screen Prompt
Aliexpress UK
DeeAWai MD006 Metal Detector for kids and adults. Beginner-friendly, waterproof detector with 20 cm coil. Lightweight, adjustable stem for all heights. Great entry tool for treasure hunting. Fast shipping.
eBay
Water Mains Leak Detector Underground Pipe Leak Monitor Portable Type-C Leak Detector kit with Headphones for Indoor and Outdoor
Aliexpress UK
Ferrous/Non-ferrous Metal Detector Bought in 90s, but never used.
eBay
Type-C Pipe Leak Detector Portable Sound Amplifier Water Leak Monitor Alarms Water Mains Leakage Detector kit with Headphones
Aliexpress UK
Features:-With high sensitivity, you can easily detect metal 10cm below the surface by simply moving the metal detector horizontally to the ground.-With IP68 waterproof rating, it is suitable for use in shallow water (Note: the control box is not waterproof), and the detection angle can be flexibly adjusted from 0 to 180 degrees to adapt to different terrains.-The display is designed with a cute cat fishing animation, which is very vivid and interesting. Let the children enjoy the fun of discovery.-The shaft of the metal detector can be adjusted within the range of 16-33 inches (66-83cm), suitable for children of different ages and sizes. It is lightweight and easy to carry, and the comfortable handle greatly relieves hand fatigue.-It is a perfect gift for c.
eBay
ANENG AC10/AC11 Socket Detector US/EU/UK Plug Ground Zero Line Plug Polarity Phase Detector Socket Tester Smart Digital Tester
Aliexpress UK
Gold Silver Copper Diamond Detector Finder Hunter. Copper underground search system. Silver underground search system. The Black Hawk WIRELESS GR collects data from hundred thousands of pulse reflections each second to help researchers identify objects below ground.
eBay
KERUI GD13 LPG GAS Detector Alarm Wireless Digital LED Display Natural Leak Combustible Gas Detector For Home Alarm System
Aliexpress UK
Feature: 1.All Metal & Disc Dual Work Modes: ALL Metal mode works for all different types of metal with auto tuning and high sensitivity. In DISC mode, it can discriminate what kinds of metal is being detected. 2.Adjustable Stem: The height of the detector can be adjusted for comfortable use. 3.View Meter and Pointer: Display interface is clear and easy to read. The meter pointer will swings to the right if metal is found. 4.Humanized Design: The handle and elbow support let you carry and operate your detector comfortably, making sure that the metal finder can suit people of different height and age. 5.Multi-use Scanner: Used for finding and testing metal objects, gold and silver jewelry, coins, relics, etc. .
eBay
Infrared Thermal Imager Professional Pipe Leak Location Detector Household Floor Heating Leak Detector MD240
Aliexpress UK
Description: The metal detector has high sensitivity. You can enjoy the fun of outdoor treasure hunting anywhere (garden, park, beach and forest, etc.). The 27-inch height-adjustable pole is suitable for children and adults. The simple operation makes it easy for children to start looking for metals. The lightweight and foldable search coil is designed for travel or outdoor activities. Simply wave this high-quality and lightweight detector on the ground to detect objects below the surface. .
eBay
Upgraded Hidden Camera Detector - AI-Powered Anti-Spy Device, GPS Tracker & Bug Detector, Portable RF Signal Scanner for Hotels,
Aliexpress UK
Handheld and light weight,easy to use. The alarm mode has two alarms: sound and light, vibration, high sensitivity. Detection Sensitivity: Φ 2.5mm/0.1in steel ball. Alarm Mode: Sound and light synchronous alarm.
eBay
Tuya WiFi 10-in-1 Air Quality Detector CO2 Monitor PM1.0 PM0.3 PM2.5 PM10 Formaldehyde Detector Temperature and Humidity Meter
Aliexpress UK