Diamond Tester Pen, ZAKVOP High Accuracy Jewelry Diamond Tester Tool, Upgraded Professional Diamond Selector for Novice and Expert, Portable Electronic Diamond Detector, Thermal Conductivity Meter
【Fast Results】: Diamond Selector II, Newest Diamond Tester Pen, high accuracy indicate genuine diamond or fake. This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds..
【Simple Use】: The diamond tester pen is simple to operate to get results. Just adjust to the appropriate gear, put the tip of the diamond tester on the diamond and press it gently. When testing, the probe needle and the tested object must be at a 90° angle..
【Intuitive Design】: Professional Diamond Selector II will indicate genuine diamond or fake. The real diamond will make sound and LED light > = 9. Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and LED lights.
【Jeweler Diamond Tester】: This diamond tester can not only detect the authenticity of diamonds, but also detect the authenticity of jewelry. It can detect gemstones including: sapphire, ruby, crystal, agate, jadeite and other gemstones of various sizes..
【Warm Reminder】: When testing diamond, your right index finger must keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. Do Not test any metal. Do Not wear glove..
Natural Gas Detector, Propane Detectors for Home,Natural Gas Propane Leak Alarm for Home Kitchen, High Sensitivity Natural Gas Propane Leak Detection (1, White)
【Detect Multiple Gases】- Home natural gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc..
【LED Digital Display & Sound Warning】- Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety..
【Easy to Install】- Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
【Widely Applied 】-This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc..
【Precautions】- The system warm-up time is about 2-3 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 (the system enters the working state) before it can be tested normally.Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
High/Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water Leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement
【SHIP FROM U.S.】【Dual Bobber Probes Sensor Design】- It can detect water shortage or overflow. You can choose to use one or both functions according to your needs. The overflow probe is placed above the water level. When the water level rises to the detection position, the float will rise and trigger the magnetic induction, thus triggering the alarm. Instead, the water shortage probe is always placed in the underwater position, which triggers an alarm when the water level drops below the float..
【120 dB with Red Light Strobe Alarm - Volume Adjustable】- The volume of the water alarm can be adjusted according to the installation distance, and the alarm can also be used as a home safety alarm. You can DIY yourself, the alarm will be triggered when the two wires on the probe are shorted..
【Extendable Detection Line】- The detection line of this water detector can be extended to 164ft to meet the needs of your family. Please use good quality copper core extension wire..
【Low Power Design】- 9V replaceable battery power supply, standby for more than 1 year. When the battery power is low, the water sensor sound will become small or there is no alarm sound. Please replace the battery at this time..
JFTWMG Hidden Camera Detectors Anti Spy Detector Hidden Devices Spy Camera Bug RF Listening Device Car GPS Tracker Detector Wireless Signa Anti-Sneak Anti-Monitoring Scan Tracker Detector
... the privacy of others.4. People who contact with and keep business secrets.5. Safety in commercial and technical secret places.6. anti-sneak shot, anti-eavesdropping professionals..
【Scope of application】Check if your car or office is equipped with a wireless bug.Detect whether the mobile phone is bugged or abnormal (there is no reason to signal when it is on standby).Check whether your car is equipped with a GPS location tracker.Detect mobile phone short message sending and receiving, mobile phone Internet signal, mobile phone switch and call signal..
【Product Function】1. carry it with you and have the function of automatically detecting whether there are bugs and pinhole cameras in the environment.2.there are multiple indicator, which can quickly find the signal source according to the signal strength.4.adjust the function key to adjust the sensitivity. (it can improve the sensitivity, enlarge the detection range or reduce the sensitivity and shorten th detection range..
【Privacy Protection】Smart and sensitive chip Anti-Locator,Newly upgraded sensitive chip, 10Mhz -5GHz broadband Can detect all locators,....
Liberty Imports 23 inches Combat Force Machine Gun Military Playset with Rifle + Grenade + Knife
Rifle with realistic firing sounds, vibration & flashing LED light. Simply pull the trigger and watch the rifle light up with flashing LED lights. While trigger is held down, the gun will continue to make exciting shooting sounds..
Plastic toy grenade with working pin and realistic explosion sounds. Also includes plastic toy combat knife with sheath.
Pretend play develops a child’s motor, imaginative and understanding skills.
additionally, it improves the child’s self-esteem..
Rifle Dimensions: 23"L x 1"W x 7"H. Made of ABS Plastic. ASTM Tested & Certified Safe..
Products arrive in attractive packaging making it an ideal birthday or Christmas gift. Intended for Ages 3 years and up..
SainSmart HC-SR04 Ranging Detector Mod Distance Sensor Blue
Using IO trigger for at least 10us high level signal.
The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
IF the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level....
Stud Finder Wall Scanner - 4 in 1 Electric Wood Detector, Sensor Wall Scanner with LCD Display, Beam Finder Center Finding & Sound Warning for Wood AC Wire Metal Studs Detection (Black)
Safe and Reliable. VIVREAL is committed to developing the reliable stud finder and helping you detect the hazard. No more worries about the annoying little things during decoration with the help of this stud finder. VIVREAL stud finder can help you find the edges and center of the objects easily and quickly. This wall scanner can detect the Live AC Wire in all modes. Our advanced technology enables accuracy detection to protect you from danger..
Four Scanning Modes. VIVREAL stud finder provides four scanning modes. Depending on the tasks you have, you can switch to the desired mode. The stud scan is used for finding and locating the center and edges of wood or metal studs up to 3/4 in (19mm) deep.
Deep mode can be used for scanning walls for 1 1/(2 ) in (38mm) deep.
Metal mode locates and detects metal (such as 1/2 inch rebar) up to 2 1/(4 )in (60mm) deep.
and AC scan locates live AC wires up to 2 in (51mm) deep..
Graphical LCD Display.This multiple-function wall scanner detector has a graphical LCD display, which indicates many cues during detection, such as detection mode, signal strength, automatic calibration, battery indication with maximum readability. The low battery Indicator icon displays when the battery level is getting low, reminds you to r....
