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Nano materials, surface sandblasting and injection molding |
Reliable metal contacts ensure failure rate |
Smart power saving |
F21-E1B | F21-E1B | F21-E1 | F21-E1 | F21-2S | |
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Customer Reviews |
4.7 out of 5 stars
3
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4.3 out of 5 stars
23
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3.5 out of 5 stars
15
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3.4 out of 5 stars
3
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Price | $99.00$99.00 | — | $99.00$99.00 | $89.00$89.00 | $169.00$169.00 |
voltage | 65-440V | 12V | 65-440V | 65-440V | 18-65V |
Transmitter and Receiver | 2 Transmitter+1 Receiver | 2 Transmitter+1 Receiver | 2 Transmitter+1 Receiver | 1 Transmitter+1 Receiver | 2 Transmitter+1 Receiver |