Water leakage detector 12-30VAC/DC, relay output, buzzer

Power Supply: 12-30 Vac/dc 
Relay Output: 1 A at 24 Vdc 
Buzzer: 85 dB sound level 
Water Leak Detection: via two sensing pins under the unit 
Built-in Delay: 1 second delay on power, 4 seconds delay after alarm off 
Power Consumption: 9 mA (no alarm), 30 mA (alarm)