Sell SMATRUL 2021 Waterproof Wireless Doorbell 200M Waterproof IP55 58 Music LED Light USB Powered Smart Doorbell. Model-2021 F708A best price

Dear friends, welcome to the official smatrul.SG store. This is the latest USB-powered IP55 waterproof doorbell. It is the only doorbell on the market that can be used directly in the open air. It can be used without any waterproof equipment. It is indeed waterproof. *. We promise to provide one-year warranty service for doorbells purchased in this store. (We are the official store, the only store with a one-year warranty. No other stores provide any warranty.) *. Free doorbell battery (not available in other stores. You need to spend more money to buy) 1. Please purchase SMATRUL genuine products: 100% tested before leaving the factory. 2. Button waterproof grade IP55, built-in waterproof tape, truly waterproof (no need to buy additional doorbell waterproof cover) 3. The latest optimized product in 2021: 58 music, 5 volumes, the latest product. 4. Power off memory function, music distinguish front and rear doors, integrated design 5.4 Unique mode function: only flashing but no sound, only sound but no flashing, flashing and loud, always bright and flashing 6. Added the function of distinguishing the front door and the back door, press different buttons, the receiver will play different music 7. USB powered, can be placed arbitrarily. Suitable for all parts of the world 8. High-quality products, clear and pure sound quality, no noise, pleasant hearing. (Don't compare with cheap products.) 9. Brilliant lighting, especially suitable for the deaf, the elderly, pregnant women and children. 10. Everyone cares about this question: Our doorbell is designed to prevent interference, and the neighbor's doorbell will not interfere with our doorbell. Currently, other doorbells below 6 SGD may interfere with each other. (We recommend that you do not buy cheap models and elimination techniques) 11. Professional after-sales team: shoot a lot of videos to deal with various abnormal situations and quickly solve customer problems. Product parameters: Voltage: DC 5V Working frequency: 433.92MHZ (the frequency is 433MHz, other frequencies can be customized) Volume: 25-100DB Music: 58 songs Waterproof rating: IP55 Working distance: 200M (open distance) Battery: CR2032 battery (including battery) Using microprocessor control, double-sided PCB micro-power design #doorbell#wireless door bell#Smart doorbell#Waterproof doorbell#usb led light#wireless doorbell door bell#Doorbell