- Light sensitive and motion activated visitor chime
<br />- Detection range: 4~5 meters
<br />- Automatically with "Ding Dong" or "Music" melody (with sound choose switch)
<br />- Welcome visitors at shops or at homes 
<br />- Powered by 3 x AA batteries (not included)
<br />- Ideal for shop/office/home to announce the entrance of visitor, also works as security alarm
<br />- Comes with installation accessories
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<br />                                                                            Dimensions: 4.33 in x 2.76 in x 2.05 in (11.0 cm x 7.0 cm x 5.2 cm)
<br />Weight: 6.98 oz (198 g)
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