GADGET ELECTRONIC

Features

• Easy to use even for a new beginner
• Emit audible sounds to give accurate reading
• Diamond indicator will be showed if the stone is a REAL diamond (Green light)
• Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
• Large / small switch for testing diamonds +/ - 8 points

The Price Was:
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Product Information

Technical Information

Customer Reviews

Product Description
This is certainly a great GPS gadget to have at hand, you can even send a text message to this GPS cellpohone wrist watch and it will reply with the exact coordinates of its location, which is great for keeping an eye on loved ones. Once you receive the coordinates, you can load up Google maps on your laptop computer, input the coordinates and you'll be able to see exactly with pinpoint accuracy the location of the cell phone GPS watch.Specifications: GSM module: GSM 850/900/1800/1900 MHz Quad frequency GPS sensitivity: -163dBm GPS center frequency: L1, 1575.42MHz GPS positioning accuracy: 5-25m GSM positioning accuracy:100-500m Speed accuracy: 0.1 m/s Time accuracy: Synchronous with GPS GPS Datum: WGS-84 Hot start: < 1s Warm start: < 38s Max. altitude: 18000m Max. speed: 515m/s Gravitational acceleration: ?4g Operating temperature: -20---65? Humidity: 5%---95% Dimensions: 64.5mm45.5mm17.5 mm (main unit) Voltage: Rechargeable 450mAh battery Power supply: DC5V Standby time: >48h Buttons: SOS button for emergency aid; Call 1, Call 2, Switch on / off buttons, interface switch buttonNote: This device is of non-waterproof design This device must work with the cooperation of GSM/GPRS network Make sure that the SIM card has sufficient balance in order to avoid inconvenience in use This device will not be able to work in case of power-off and out of the service area, even if you are a registered user This device supports the dual positioning mode of GPS and GSM/GPRS Please use this device in a legal area, any illegal consequence will be borne by the userPackage include: 1 x GPS Watch Tracker 2 x Li-ion battery 1 x USB Cable 1 x Disk of User Manual 1 x Power Plug Adapter

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