SURFOU Wireless Doorbell with 1 Button 1 Receiver,Door Bell,1300FT/400M Ultra-Long Range,55 Chimes 5 Volume,IP55 Waterproof,110 db Extra Loud with Flashing Light,For Home/Classroom/Office/Warehouse

Whether you are upstairs or in the backyard, the 1300ft wireless transmission range of this doorbell ensures peace of mind. It features multiple learning codes and a stable signal design with strong anti-interference capability, and can be paired with other wireless doorbells for unlimited expansion. You can also assign different ringtones to different buttons, so you’ll always know exactly which door has been triggered.

• 【1300FT/400M Long-Range Transmission】Whether you are upstairs or in the backyard, the 1300ft wireless transmission range of this doorbell ensures peace of mind. It features multiple learning codes and a stable signal design with strong anti-interference capability, and can be paired with other wireless doorbells for unlimited expansion. You can also assign different ringtones to different buttons, so you’ll always know exactly which door has been triggered.
• 【Plug-in Receiver】Operates at 100–260V.Choose from 55 classic chimes to match any occasion. The volume is adjustable in 5 levels (0–110dB), with a mute mode available. The ultra-loud 110dB sound and LED flashing light make it ideal for the hearing impaired. Features memory function—your last settings are saved even after unplugging, no need to reset.
• 【Battery-Powered Button】The IP55 dustproof and waterproof button can withstand all kinds of weather, whether it’s snow, rain, or sunshine. Operating temperature range: -22°F to 158°F (-30°C to 70°C). Powered by a 12V 23A battery, it features ultra-low power consumption with a lifespan of up to 3 years, so you don’t need to replace the battery frequently.
• 【Easy Installation】The SURFOU wireless doorbell is extremely easy to install with no complex wiring or special tools required. Ready to use right out of the box—simply plug the receiver into a power outlet, remove the insulation strip from the button, and attach the button to the wall using the included double-sided tape or screws. Installation can be completed in just 30 seconds.
• 【Package Content & After-Sales Service】1 plug-in receiver, 1 battery-powered button (batteries included), 1 door plate, 2 screws, 2 expansion bolts，1 mini screwdriver, 2 double-sided adhesive stickers, 1 English instruction manual. If you have any questions about this product, please contact us and we will respond to you within 24 hours.