• It could detect coin-sized objects up to 18 cm deep and larger objects up to 300 cm deep. Detection depth: Coin-sized objects up to 18 cm deep, larger objects up to 300 cm deep. • The search coil is waterproof, so you can detect objects in shallow water.
eBay
5-1PCS Digital Carbon Monoxide Detector Sound & Light Warning Sensor Battery Powered CO Gas Monitor Meter with LED Indicator
Aliexpress UK
Suitable for temperatures from -20°C to 60°C. 【High Sensitivity】Features advanced stability and 360° all round detection, capable of detecting a coin at a distance of 5-7cm for accurate results. We'd like to settle any problem in a friendly manner.
eBay
Type-C USB Tester Digital Voltmeter Battery Capacity Tester Voltage Current Meter Ammeter Detector Power Bank Charger Indicator
Aliexpress UK
Protection Level: IP68. Alarm Mode: Sound and light, vibration, sound and light and vibration. Material: ABS. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls.
eBay
KERUI Wireless PIR Motion Sensor Infrared Detector Alarm With Battery For W202 W181 Home Security Alarm System Protection
Aliexpress UK
Model: MD970. The alarm mode adopts sound + vibration mode, and the detection sensitivity distance is ≥5cm. Detection Sensitivity Distance: ≥5cm / 2in. 360 degrees full scanning and precise detection, one‑button operation, simple operation.
eBay
ET925 EMF Handheld Electromagnetic Field Radiation Detector Battery Powered Household Electrical Radiation High Precision Tester
Aliexpress UK
Nokta Double Score. This robust, waterproof device combines essential features in a sleek, ergonomic build. Experience the power of multi frequency precision seamlessly integrated into a user-friendly design.
eBay
Tuya WiFi or Zigbee Human Presence Sensor MmWave Radar Detector With Luminance Sensor For Smart Home replace PIR Sensor
Aliexpress UK
Do you miss the unmistakable sound of discovery that sends your heart racing?. This is not just a basic detector. Forget bulky and awkward gear. Adventure is just a scan away. The complete kit includes everything you need to get started.
eBay
WiFi Door Open Closed Detectors Tuya Window Sensor with App Notification Alert Contact Sensor for Home Security with Black Color
Aliexpress UK
Model Number: -4030 coil.
eBay
Portable Non-Contact Alcohol Tester LCD Display Breathalyzer Accuracy Alcohol Detector Automatic Breath Alcohol Test
Aliexpress UK
Detection depth: coin-sized objects up to 12cm deep, larger objects up to 60cm deep. Waterproof search coil: 17 cm (Ø). Colour: Black.
eBay
Motion Sensor LED Cabinet Light Rechargeable Versatile Use Portable Cordless Magnetic for Kitchen Bedroom Detector Light
Aliexpress UK