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JInhua luckarm electric Co.,ltd
battery doorbell,waterproof doorbell,doorbell for apartment,musical doorbell,battery wireless doorbell, Manufacturer and Supplier - China(CN)
Information for Buyers
Description : 1) Complete door phone system 2) 1 to 1 direct AC power 3) Easy DIY installation. 4) Press button' unlock the door. 5) Electric-controlled door release. 6) Anti-oxidation aluminum alloy outdoor unit, with rainproof cover.