【No Battery Required】Wireless Doorbell Waterproof, AURTEC Door Chime Kit with 2 Plug-in LED Flash Receivers & 1 Press Self-powered Transmitter, 51 Chimes and 4 Volume Levels, Black

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About this item

• 100% Battery-Free Operation：The transmitter converts finger-press energy into power, and with two receivers included, you’ll never deal with battery replacements again. It’s incredibly convenient and eco-friendly, with zero ongoing costs.
• Effortless Installation & Use：Simply plug the receivers into any electrical outlet—no wiring needed. The doorbell button attaches to doorframes in seconds using the included adhesive tapes, making setup a breeze for anyone.
• 【Extended 500ft Wireless Range：Boasts a 150m/500ft strong signal that easily covers large spaces: multi-entrance homes, multi-story houses, offices, hotels, and more. Never miss a visitor, delivery, or service call again.
• Durable Transmitter Built to Last：Features IP44 waterproof rating and flame-retardant ABS850 material, ensuring reliable performance in temperatures from -4℉ to 149℉. With a 20-year operational lifespan, it’s built for the long haul.
• Versatile Receivers with Smart Features：Comes with 51 chimes and 4 volume levels, plus a power plug for easy use. The LED indicator automatically lights up in the dark (non-adjustable), providing visual alerts alongside audio.​