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It's a 12V 4CH Channel 443MHz Wireless RF Remote Control Relay Switch With Remote
The collector current Ic is a function of the base current Ib for a given collector-emitter voltage VCE
This sensor array is also known as infrared array detector
0 €” 17
3E SMD Resistor is a conventional thick film chip resistor and is a type of surface-mount resistor
Door Lock Magnet Proximity Sensor (Reed Switch) Common Cathod It's a 12V 4CH ChannelThis magnetic door lock sensor is easy to use. A magnet and a magnetic sensor are included (the one with two wires). The sensor contains a simple reed switch that is triggered when a magnet is present. Install the magnet on the door window and the magnet sensor on the door window frame to use the sensor as a door window lock sensor. This sensor is ideal for door lock sensors, drawer lock sensors, Window Lock Sensors, encoders, and other general magnet
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