5A overcurrent protection module with button settings and digital tube display, can stably measure 50HZ/60HZ AC current, can be used for current measurement, equipment protection, dormitory overcurrent protection and other occasions. Functional features: 1. Two specifications of power supply DC5V 2. Relay voltage AC 220V, current AC 10A, frequency 50HZ/60HZ 3. Measuring range: AC 0.01~6A, accuracy ±0.05A, two decimal places 4. Overcurrent setting range 0.01~5A 5. Output contacts, 1 group of normally open + normally closed 6. Digital tube display + button settings + power-off save settings. Colour: As Shown Material: Plastic + Metal note: There are some differences in color printing in different production batches, which does not affect the use Package Contents: 1 x sensor module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.