Sell Remote doorbell wireless home smart remote control electronic waterproof door 3BqU best price

Material PS hard plastic The controller comes with a battery, which can be used for 8-12 months. The doorbell can be plugged in. It is recommended to use within 30m for better results. The longer the distance, the delay may occur All tests are intact before shipment. There may be a small amount of non-working, please contact customer service in time for replacement or refund The order takes 1-2 days to prepare, thank you