Description: 【 Wide Voltage Compatibility】: Operates on a DC 6-80V power supply, making it suitable for a variety of  systems including 12V, 24V, 36V, 48V, and 60V applications 【High Power Relay Output】: Features a robust relay with a maximum output of 30A   【 Adjustable Sensitivity & Delay】: Input voltage detection sensitivity and relay output delay time are both adjustable. Sampling time ranges from 0.1 to 0.9 seconds; output delay can be set from 0 to 999 seconds for flexible control 【Accurate Real Time 】: Equipped with a clear LED  display that shows real time voltage readings from DC 0 to 99.9V with an accuracy of ±0.1V, ensuring precise and management 【Material】: Voltage Detection made with ABS housing,which is sturdy for long term use  Specification: Operating Current: Approximately 8mA/24V when the relay is released, minimum 4mA/24V when the digital display is off; approximately 58mA/24V when the relay is closed. Relay Contact Load: Normally Open (NO): 30A/250VAC, 30A/30VDC; Normally Closed (): 20A/250VAC, 20A/30VDC. Mechanical Durability: >10 million cycles; Electrical Durability: >100,000 cycles (20A/250VAC). Operating Temperature: -40°C to +85°C.  Size Chart: Shell:7.8cmx5.3cmx3cm/3.07inchx2.09inchx1.18inch Installation hole spacing :8.5cm/3.35inch Package Includes: 1 DC voltage relay Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.