adjustable delay turn OFF car stereo timer switch relay 1 to 750 s kit 12V 7A

- Delay turn off the car stereo up to 750 sec after you cut off the engine - turn off car stereo if engine is turn off and driver door is opened
Old price: $23.00
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Item Description:
Time relay with range from 1 to 750 seconds.
Direct 12V output:7A/12V DC
Power:  + ,  -  Have protection against reverse supply voltage.
Power supply - 12V DC
Time is adjusted by trimmer 
Timer doesn’t have power consumption when it is in standby mode – ( open relay)
Principe of work:
When contact switch is turn on,
 - the timer received 12V+ at the activation input( red wire) and the relay close.
 - stereo received  12V+ and start work.
When door is opened and engine is turned on - noting will happen - the car stereo continue working. 
When contact key is turned off :
- the timer start countdown and stereo work up to 750 sec, then go off
- if driver door is opened - stereo turn off immediately 
 When engine is turned on again - cycle repeat.
Please note – if power consumption of the stereo is more than 7A (  84w 12V), it must be placed separate powerful relay at the place of bulb at the schematic, to avoid damage of the timer. 
Device doesn't  have plastic box, only plate, as see on the picture.

 Package contents:

1. Time Relay

2. Instruction for use and wiring diagram.