HiLetgo 2pcs 5A AC Current Sensor Current Detection Sensor Relay 12V AC Current Relay Module AC Sensor AC Current Relay Switch with Over Current Protection auspowers_batchtwo 1 Clear keyboard cover

1 Clear keyboard cover

Turn Air Flow on or off

10 sheet/box

Package Dimensions: 5 L x 9 H x 6 Winches

1 inch Handle length: 4

HiLetgo 2pcs 5A AC Current Sensor Current Detection Sensor Relay 12V AC Current Relay Module AC Sensor AC Current Relay Switch with Over Current Protection auspowers_batchtwo 1 Clear keyboard coverHiLetgo 2pcs 5A AC Current Sensor Current Detection Sensor Relay 12V AC Current Relay Module AC Sensor AC Current Relay Switch with Over Current Protection Specifications: Working voltage: DC5V 12V 24V Working current: <20mA Frequency range: 20Hz 400Hz Output mode: switching signal output Humidity: 0 95% RH Size: 4. 4x3. 8cm 1. 73x1. 5" Interfaces: VCC: Positive; GND: Negative; NO: Normally open, NO and COM are disconnected before the relay is closed,