Stormspot DC 12V Digital LED Display Time Delay Relay Module with Trigger Start Countdown Stop Infinite Cycle Delay Timer Relay for Smart Home Automatic Control

Parameter:
Input voltage: DC 12V (Range 10V-16V)
Power consumption: 0.5W
Time limit: 1-999s
Display method: 3-digit red digital tube (The remaining time is displayed during the countdown process, otherwise the set time is displayed)
Time adjustment: Button adjustment (With power-off memory, the next connect will be automatically transferred to the last setting)
Precision: 1s
Trigger mode: Short-circuit valid for more than 0.025 seconds
Output contact: a set of normally open + normally closed
Output: 10A (voltage range 0-250V AC, or 0-30V DC)
Output mode: Passive (direct contact, no charge, equivalent to switch)
Size: 2.36*1.57*0.75inch
Weight: 1.0OZ

Interface Description:
12V+: Module powered positive
12V-: Module powered negative
NO: Normally open terminal of the relay
COM: Common terminal of the relay
NC: Normally closed terminal of the relay
KEY-1: Button external terminal, input from here when using voltage trigger. With triangle logo KEY-2: The external terminal of the button is actually connected to 12V+.
Note: "ON" in the function description refers to the connection between "Common" and "Normally Open" of the relay.