4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) auspowers_batchsix Wrist-Mounted Navigator

Wrist-Mounted Navigator

longer length makes it more secure

enhanced durability and maximum portability

Weighing Sensor Transmitter Tension Sensor Transducer Weight Transmitter Amplifie Voltage Current Converter Sensor Amplifier Load Cell Amplifier Linear Differential Input Voltage

[Premium Quality]: This liquid level sensor adopts of anti-corrosion material

4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) auspowers_batchsix Wrist-Mounted Navigator4 Pack 12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (12V) Module description: 1. The module Operating voltage 12V; 2. Fault tolerant design, even if the control line is broken, the relay will not operate; 3. The power indicator (green), the relay status indicator (red); 4. Module size: 50mm26mm18. 5mm (LWH). Interface: InputVCC: Relay power supply +GND: Relay power supply IN: Signal trigger input (High or Low