standard 3 rolls thermosensitive paper 32G card

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Size for Waistline

Handheld Metal Detector, Positioning Rod Color:Black standard 3 rolls thermosensitive paperProduct information 1. The sensitivity distance for detecting one yuan coins is 3. 5 4cm. 2. Detection method: vibration and sound alarm at the same time 2. Power supply: 9V battery (not included in the factory) 3. Working environment: temperature 20 60 4. Dimensions: 22. 9*3. 8*2. 2cm 5. Single package size: 24*6*6cm 6. Net weight of a single machine: 145 grams 7. Gross weight of a single package: 240 grams 8. Packing: 50 pcs carton, size: 32*32*50.