The sensor is built-in recharegeable battery powered and solar charged. No wiring no need replace batteries.
1 solar motion sensor + 1 plug-in receiver KIT
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2 solar motion sensors + 1 plug-in receiver KIT
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If you need extra sensors or receivers, please kindly search " HTZSAFE " on Amazon.com, and then you will find all of our products there. And all of the HTZSAFE sensors can work with all the HTZSAFE receivers.
Please kindly email us at support@htzsafe.com if any questions.
HTZSAFE
