DC 12V Audio Signal Triggered Relay Module - LED Electronic Switch Controller with Adjustable 0.1 to 9.99 Second Delay and Protective Case, Compatible with Android and PC

Item Type: Relay ModuleMaterial: ABS+PCBWorking Voltage: DC12VAdjustment Instructions: Press K1 for the first time, the nixie tube flashes -1, indicating that the sensitivity is adjusted, from 1 to 9; press K2 to increase and K3 to decrease to adjust (the factory default is 5)Press K1 for the second time, the nixie tube flashes 12.5, the tens digit flashes to adjust the tens digit of the delay time, press K2, K3 to adjustPress K1 for the third time, the nixie tube flashes 12.5, the ones digit flashes to adjust the delay time and the ones digit, press K2, K3 to adjustPress K1 for the fourth time, the nixie tube flashes 12.5, one digit after the decimal point flashes to adjust the delay one digit after the decimal point, press K2, K3 to adjust;Press K1 for the fifth time, the adjustment is completed, and the digital tube displays the measured audio value in real timePackage List：1 x Relay ModuleNote:For iOS 7 and above series need conversion head

• Audio Triggered Operation: The relay closes upon audio signal detection and disconnects after the signal stops following a user defined delay period.
• Adjustable Time Delay: This switch controller provides an adjustable delay range from 0.1 to 9.99 seconds to accommodate specific timing requirements for electronic systems.
• Technical Specifications: This DC 12V module is compatible with Android devices and PC hardware for use in various automotive and industrial audio output applications.
• Protective Housing: The included case provides a layer of protection to minimize damage from accidental drops or impacts during installation and use.
• Durable Construction: Built for a long service life, the compact form factor allows for convenient storage and integration into various audio signal systems.