Pay in 4 interest-free payments of $129.59 Learn more
Ships within 48 hours · Estimated delivery Oct 12 - Oct 17
Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna 12V 1 Channel Relay Module (10Amp) ~60 seconds for subsequent use ~60 seconds for subsequent use Comparator Chip LM393 dual comparator for stable digital output Indicator LEDs Power LED + Digital Output Trigger LED Sensitivity Adjustment Onboard potentiometer for digital threshold tuning Operating Temperature 20 degreesC to +50 degreesC Interface Pins VCC Street lighting control systems and embedded TCP IP stack for comprehensive cellular communication and field proven reliability across millions of installations
Read any limits attached to a preview or demonstration opportunity. Consider aspects that cannot be assessed from the example alone.
Check whether older customer reviews refer to a different version. Check whether existing related items or arrangements remain suitable when that matters.
Do not assume that every displayed example is fully described by its caption. Do not treat the absence of an alternative format as confirmation of a product feature.