0 120s Delay Relay 5 12V Timer NE555 Adjustable Module On Board Test Button

Features: 1. After power up, when there is an external trigger signal, the module start delay, and outputs a signal, when delay time over ,the signal output end. 2. Adjustable delay time (0 120 seconds). 3. With led light indicates the output level. 4. Can connect relay module ,achieve to control large current work status. 5. With input power indicator. 6. On board test button, you can use IT as a trigger button. Specification: Condition: 100percent Brand New Input: VCC: 5 12V GND: Ground IN: Trigger terminal: high level effective Output: OUT: output signal, when no trigger is low level, after triggered is high level,restore the low level after the delay ends GND: Ground Working Voltage: 5 12V Size: 40x20mm Package Includes: 1 x Adjustable NE555 Module .