3,Ideal for testing jewelry, antique gold, silver, collectibles, and more. 5,Works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and pure. 4,Apply a drop corrosive test on benchmark,real gold will stay on the benchmark, fake one will be dissolved or oxidized to blue.
eBay
Dual Screen 8MP 4K WiFi Solar Camera 4G Dual Lens Battery WiFi PTZ Cam Human Auto Tracking Motion Detection Security IP Cameras
Aliexpress UK
1 Touchstone Kit. 【Widely Applications】Gold Testing Stone, Practical Jewelry Making Accessory, great for testing jewelry, coins, antique gold, silver, platinum collectibles etc. Material: Stone. 【Easy to Use】Jewelry tester appraisal kit, liquid changes color based on purity, Very easy to use.
eBay
4MP WiFi xiaovv indoor Baby Monitor Two-Way Audio Motion Detection Night Vision Baby Camera for Home Security 360°
Aliexpress UK
Sound and pointer indicator lights. - Display: Sound and pointer indication. -Operate the switch to turn on/off. -Purpose: Gold detection. -High sensitivity. - Sensitivity: high sensitivity. -Energy saving and durable.
eBay
Zigbee Vibration Sensor With Tilt XYZ Axis Detection Home Security Real-Time Motion Shock Alarm SensorFor Home Assistant Z2MQTT
Aliexpress UK
Detection system with remote search system and precise positioning. Used to detect gold, silver, copper, and precious stones. Detecting Depth: 20m/65.6ft. 2pcs CARBON Front Bumper Fog Light Air Vent Cover Trim For BMW F90 M5 LCI 21-24.
eBay
Mini Peephole Smart Wireless Door Viewer Camera PIR Motion Detection Digital Peephole Eye Viewer 2000mAh Doorbell Door Camera
Aliexpress UK
Description: Sensitive 360° detection: The improved metal detector head has a built-in highly sensitive detection mast, metal detectors that scan 360° in all directions, pinpointer, can sensitively induce and accurately detect different metal objects, and is suitable for different outdoor environments. Three early warning modes - one button switch: For a better treasure hunting experience, the metal detector has an updated DSP smart chip, stable performance, fast alarm. The metal detector for children does not only has a ringtone and vibration mode, but also ringtone + vibration in three independent modes. In early-warning mode, you can switch freely depending on the detection environment. .
eBay
2MP 1080P YCC365 Plus APP Wireless PTZ IP Dome Camera Full Color Motion Detection Outdor Smart Home Security CCTV Baby Monitor
Aliexpress UK
1 Touchstone Kit (Glove color random). 【Widely Applications】Gold Testing Stone, Practical Jewelry Making Accessory, great for testing jewelry, coins, antique gold, silver, platinum collectibles etc. Material: Stone.
eBay
AMOROM 2K Indoor Camera 5/2.4G Wi-Fi Home Night Vision Security Camera 360-Degree Rotating Camera AI Motion Detection IP Camera
Aliexpress UK
Sound and pointer indicator lights. - Display: Sound and pointer indication. -Operate the switch to turn on/off. -Purpose: Gold detection. -High sensitivity. - Sensitivity: high sensitivity. -Energy saving and durable.
eBay
Smar Outdoor IP Wifi 3MP Survalance Camera for Wifi CCTV System Kit Human Detection Night Vision Video Cam ICSEE Two Way Audio
Aliexpress UK
Sound and pointer indicator lights. - Display: Sound and pointer indication. -Operate the switch to turn on/off. -Purpose: Gold detection. -High sensitivity. - Sensitivity: high sensitivity. -Energy saving and durable.
eBay
BESDER 3MP PTZ Wifi Camera Video Call with 2.8 Inch IPS Screen Baby Cry Sound Detection Security IP Camera Baby Monitor iCSee
Aliexpress UK