There is an automatic and continuous alarm when the battery is used up;. Frequency: 25K. Has audio, light, and vibration handoff switch. Switch on/off the audio prompt function;. Weight: 220g (without battery).
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1PC DM77 Indoor CO2 Detector Air Quality Monitor Infrared NDIR Detector with Temperature Humidity Detection
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
Tuya WiFi 15-in-1 Air Quality Detector CO2 Monitor PM0.3 PM1.0 PM2.5 PM10 Formaldehyde Detector Temperature and Humidity Meter
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 26-33 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 Socket Tester Plug Detector Zero Line Plug Polarity Phase Check Phase Detector US/EU Plug Multimeter Digital Tester
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
Digital Wood Moisture Meter Hygrometer Non-contact Timber Damp Detector Alarm Non-destructive Humidity Tester Moisture Detector
Aliexpress UK
Features:- Underground Detection: Designed to look for gold and silver jewelry, coins, and other metal in the ground.- Adjustable: The length of the detector can be adjusted to meet your daily demands.- Headphone Jack: The headphone jack is offered. Both stereo and mono headphones can be used. Also, the volume can be adjusted.- Waterproof: You can use the metal detector in shallow water.- Wide Use: Ideal for finding metal objects and anywhere that hidden metal needs to be detected.Specifications:Color: BlackMaterial: ABS + AluminiumPower Supply: 2 x 9V (6F22) Frequency: 5.0 KHzCurrent: Static: 10mAMaximum: 70mAVoltage: 7.2 - 9.6 VDisplay Mode: mechanical pointer mode, sound modeTelescopic Length: 30.7-42.5 inchesProbe Diameter: 7.88 inchesProduct Size: .
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Haozee Tuya WiFi /Zigbee Human Presence Detector Smart Human Body PIR Sensor Radar Detector Microwave Motion Sensors
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 26-33 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
BR-6 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray Beta Gamma Detector LCD Radioactive Tester Marble Tool
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
Tuya Smart WiFi Infrared Motion Detector Solar Outdoor PIR Wireless Strobe Siren Detector Sound Alarm Waterproof Remote Control
Aliexpress UK
Typical detection approx: Coins 80mm, knife 160mm, gun 200mm. Construction: ABS, water resistant, EMC shielded.
eBay
CGD02A Combustible Gas Detector Analyzer 50000 PPM 100% LEL Gas Leak Detector LCD Screen Sound and Light Alarm Gas Analyzer
Aliexpress UK