

ATACE DND/MUR (Do Not Disturb / Make Up Room) module is a simple way for guests to communicate with staff from their rooms. Either don't want to be disturbed or need your room to be cleaned, it is as simple as touching a button. The product includes a doorbell button to announce visitors in a kindly way. Besides, the doorbell can be disabled when the “Do Not Disturb” is active. The module needs only two AA batteries to power on, it makes it an easy deployment, with no wiring or power cable connections.


The battery based DND system uses a Auto Wakeup Engine. It is made up with a PIR (passive infrared) motion sensor, ultra-low power consumption processor and a scientific algorithm. The PIR Motion Sensor can detect the human body & when there is no presence the system will enter into sleep mode automatically to save power consumption.



Technical Specifications
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Models AT-BS120
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Material Flame Retardent PC+ABS
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Dimension(mm) 82x82/82x20 mm/ 90x65x34mm (doordell)
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Applicative DoorWooden doors, metal doors
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Color Gun grey/white (doorbell)
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Power Supply 2 AA Battery for door modules / 230V AC for doorbell
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Battery life 6-8 months
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Working temperature -10℃-37℃
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Working humidity 15%-90%RH
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Weight 280g (front) + 220g (back) + 70g (doobell)
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Doorbell distance Approximately 10 to 15 meters
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Stand-by consumption <30uA