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• LED Wireless Chime Door Bell Volume Adjustable Household Doorbell Remote Control Battery Powered Security Portable 32 Tune Songs Description: Flexible design, easy to install, no wiring required, money-saving and labor-saving, unfastened shifting installation function Remote control range as much as 100m in open air, meet the needs of residential and high-rise buildings Build in anti-interference design, keep away from the interference between users Electric discount voltage, making it secure Mini size and beautiful appearance Built in stereo speakers, especially appropriate for office building, household, factories, tourism and different places, a wide range of uses 32 flip songs for your selection Battery LED indicator, easy for you to grasp when to switch the battery, widely used, not just as a standard doorbell, it may be used for particular purposes, reminiscent of liaison, paging, patient care, emergency notification, and so on Specification: Remote control power: <10mw Rated voltage of Receiver: DC3V Standby recent of Receiver: <1 Operating frequency: 315MHz + 2MHz Transmitter battery: 1pc 12V 23A alkaline battery(not included) Receiver battery: 2pcs 1 AA battery(not included) 1 X Transmitter(Remote Control) 1 X Receiver(Chime)

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