Relay Remote Switch 2CH DC3.7V 4.2V 5V 6V 7.4V 8.4V 9V 12V Output 0V Dry Contact Relay Switching Value NO COM NC 315MHz 433MHz
![Relay Remote Switch 2CH DC3.7V 4.2V 5V 6V 7.4V 8.4V 9V 12V Output 0V Dry Contact Relay Switching Value NO COM NC 315MHz 433MHz](http://ae01.alicdn.com/kf/H497b375c30e846689139713da88f5a20q.jpg)
sku: 4000078463448
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$2.49
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