At an ambient temperature of -40 ℃ -+85 ℃, it can operate completely normally (MTBF ≥ 70000 hours), especially in low temperature conditions in the north and high temperature conditions in the south.
Silicone wristbands are mainly made of silicon dioxide, which has the characteristics of chemical stability, non flammability, no odor, weather resistance, chemical resistance, temperature resistance,
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