【NO NEED BATTERY】PROSMK WIRELESS DOORBELL SOS ELDERY RESCUE DOOR BELL 100 Meter LOCENG PINTU TANPA BATERI LED 36 MUSIC HOME 门铃

ProSMK. Wireless installation design avoid troubles-Save money when installation and don't effect the decoration environment. No batteries needed, no need to keep changing batteries forever, energy saving environmental protection. Enjoy. 36 music for your choice 4. levels of volume-a great option for different environments. In the circulation mode, press lightly to the selection button will return to the music choice mode). All day long anti-interference system, with 100000 digital coded radio signals, prevent the doorbell from interference outside or between neighbor. LED Indicator-Provides a visual alert, perfect for those with hearing impairments or noisy environments. Can be used as emergency button for elderly. Door Bell kit helps you safeguard your home and family. Remote control range up to 100 meters in the open area-You ll Never Miss A Visitor Or Delivery Again. Suitable for homes, dwelling house, office block, hotel, high-rise building, factory, villa and etc. Strictly forbid