ITEM NAME:Vibration Sensor Trigger Board Relay Switch Module for DIY Alarm System A#S Product Description Description: DC 12V Relay Switch Module for DIY Alarm System Adjustable Sensitivity Delay Time Vibration Sensor Trigger Board Feature: 1. The sensitivity and delay are adjustable. 2. Security industry level. 3. The highest sensitivity when touched. 4. Error-free operation and false alarms during the boot process. Specification: Input Working Voltage: DC 12V The relay output terminal is a 10A contact, which is very convenient for controlled switching Low Power Consumption Mode Standby Current: