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...Portable Hand Held Metal Detector With ABS Material Technical specifications Unit Dimension 410(L)* 85(W)* 45(H) mm Power voltage Standard 9V battery Operating voltage 7V-9V Operating Current <50mA Alarm terms Sound (vibration) and light alarm simultaneously Waterproof IP31 Alarm Sound......
Mini Bluetooth Speaker Portable Wireless Speaker Sound System 3D Stereo Music Surround Support TF AUX USB wholesale Product features : 1.bluetooth version:V3.0+EDR 2.......
... speed, and different acoustic impedance (product of media density and velocity of sound), to regular electric impulse actuate piezoelectric wafer (transducer), ultrasonic at some frequency is produced, inje...
Portable Audiometer Headphone / Clinical Audiometer Product Description Channel:Two independent signal channel and masking channel Frequency: Air conduction and free sound field 250-8000Hz; (Bone conduction 250...
...Portable Super Scanner Hand Held Metal Detector Security Scanner High Sensitivity Pin: 30-60mm 64-Pistol : 180-195mm 6 inch Knife: 160-180mm Steel ball with 20mm diameter: 120mm One Yuan coin: 75-100mm Techn...
...Portable Hand Held Metal Detector MD3003B1 High Sensitivity Pin: 30-60mm 64-Pistol : 180-195mm 6 inch Knife: 160-180mm Steel ball with 20mm diameter: 120mm One Yuan coin: 75-100mm Technical specifications Un...
Wooden Wireless Speaker sound mini portable amplifier speaker 1. Wooden Speaker Feature 1. Made of real bamboo and wood 2. 100% hand-made 3. Works as wood loud-speaker . Easy to ......
Musical Crab Mobile For Stroller Infant Baby Toys W / Melody Sound Portable Introduction: This series of music mobile hanging bells has very cute design, including crabs, tropical marine fish, octopus, ladybug ...
Product Description: retro classic portable audio headphones stereo sound earphone with foldable headband and customized color and logo Material ABS, Aluminium or customized material. Color refer to the picture...
...: 9 volt battery box (6F22ND battery), external charger function (charger optional) Static current: less than 7mA Current job: sound and light less than 47mA, vibration: 103mA Operating temperature:...
...portable metal detector, super scanner, body scanner GC-1001 hand-held metal detectors, GC-1001 is a small hand-held metal detector, is a dedicated tool for security screening. Its easy to use, without any a...
...portable metal detector, super scanner, body scanner Detection sensitivity: detection of one yuan coin, the detection distance ≥9CM Detection mode: sound and light alarm. Power supply: 9 volt battery box (6F...