SPECIFICATION black colour display: LCD waterproof: yes, IPX4 material: ABS power supply: battery meter type: wired minimum wheel size 14 ' maximum wheel size 29 ' dimensions: 5x4.5cm weight: 21g weight in the package: 64g INCLUDED meter counter holder wired magnetic sensor wheel magnet zippers 1x LR1130 battery self-adhesive tape / foams
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