HighlightsEmit 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 To emit sounds to give accurate readingSpecificationsWeight Approx: 164gSize Approx: 18.5 x 5.5 x 3.5 cmPackage Contents1 x Diamond tester
HighlightsGadget device which acts as a Bionic Ear, letting you hear faint sounds up to 200 Meters away, and loud sounds at an incredible 100 Meters on the included comfortable and high quality Stereo Headphone. Added to this, there is a built in monocular which will let you see objects at up to x8 magnification, and a digital sound recorder to record the sounds you hear. You will even be getting a fine tuning frequency knob to adjust how wide the sound reception is, in order to focus in on one sound. This is a perfect gadget for nature lovers, law enforcement, or people just looking for a little fun, and is available with no MOQ and an incredible low wholesale price.Sound Band Adjustment: Expands/Narrows the cone of sounds picked up to find particular sounds Sound Playback Line in to transfer sound file to tape recorderSpecificationSound Distance: 100 Meters Max Built-in Monocular: magnification x8 Digital Sound Recorder: 12 seconds (new file records over last) Headphone Jack: 3.5mm Power Source: 1x 9V Battery Sound Dish: 250mm round 60mm(D) Stereo Headphone: Adjustable Length 160mm~200mm Weight Approx: 800gSize Approx: 36 x 26 x 10 cmPackage Contents1 x Observation Instrument