This compact 1505T siren has a rechargeable back-up battery mounted inside the unit so it will continue to sound even if would-be thieves are able to remove power from the alarm system or the car’s battery. The only way to disable the unit if there is no mains power is to turn it off with a key. Internal batteries areb kept on trickle charge, so they are always fully charged.
Wiring consists of:
- 12v Power
- 12v Negative Ground
- Negative & Positive Triger Input Wires
- What’s inside the Box
- 2 x Override Keys
- Mounting Bracket
- Wiring Harness
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