USB Relay Controller with 6-Channel I/O $50 - $100 This extremely durable

This extremely durable

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Included with this explosion proof headlight are an elastic headstrap and a rubber hard hat strap to allow users to either wear the unit directly or mount it to their hard hats for ease of operation

5’ and the entire system mounts to standard hitch receivers via the standard push bolt and locking pin used on most commonly used trailer hitch receiver mounts

MT-PML-3P-12470D-75KVA-480Y

USB Relay Controller with 6-Channel I/O $50 - $100 This extremely durableThis USB Relay Controller Data Acquisition Module, from [Cana Kit](http: www. canakit. com ), allows computer controlled switching of external devices as well as full bi directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer. The controller is very flexible and can be used in many custom applications including weather stations as well as temperature monitoring, logging and