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300 * 20mm 868 / 915MHz tus kav hlau txais xov sab nraum zoov
Cov Lus Qhia Tshwj Xeeb:
1. Kev nce siab, teeb liab teeb tsa ntau yam kev tiv thaiv
2. Waterproof mus rau IP67 qib
3. Lub plhaub ua los ntawm iav hlau, corrosion-resistant
4. Txawv ntau thiab tsawg / cov txuas muaj